Home / 1,090,461.40-1,635,692.10-342,506.20

Finding the Fourth Proportional to 1,090,461.40, 1,635,692.10 and 342,506.20

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Solution

The fourth proportional to 1,090,461.40, 1,635,692.10 and 342,506.20 is: 513,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,461.40 : 1,635,692.10 = 342,506.20 : x
  2. Step 2: Convert to fraction form
    1,090,461.40/1,635,692.10 = 342,506.20/x
  3. Step 3: Cross multiply
    1,090,461.40x = 1,635,692.10 × 342,506.20
  4. Step 4: Simplify right side
    1,090,461.40x = 560,234,685,541.02
  5. Step 5: Solve for x
    x = 560,234,685,541.02/1,090,461.40
  6. Step 6: Final answer
    x = 513,759.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.