Home / 1,069,266.80-1,603,900.20-438,633.20

Finding the Fourth Proportional to 1,069,266.80, 1,603,900.20 and 438,633.20

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Solution

The fourth proportional to 1,069,266.80, 1,603,900.20 and 438,633.20 is: 657,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,266.80 : 1,603,900.20 = 438,633.20 : x
  2. Step 2: Convert to fraction form
    1,069,266.80/1,603,900.20 = 438,633.20/x
  3. Step 3: Cross multiply
    1,069,266.80x = 1,603,900.20 × 438,633.20
  4. Step 4: Simplify right side
    1,069,266.80x = 703,523,877,206.64
  5. Step 5: Solve for x
    x = 703,523,877,206.64/1,069,266.80
  6. Step 6: Final answer
    x = 657,949.80

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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.