Home / 1,123,100.60-1,685,234.10-492,078.20

Finding the Fourth Proportional to 1,123,100.60, 1,685,234.10 and 492,078.20

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Solution

The fourth proportional to 1,123,100.60, 1,685,234.10 and 492,078.20 is: 738,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,100.60 : 1,685,234.10 = 492,078.20 : x
  2. Step 2: Convert to fraction form
    1,123,100.60/1,685,234.10 = 492,078.20/x
  3. Step 3: Cross multiply
    1,123,100.60x = 1,685,234.10 × 492,078.20
  4. Step 4: Simplify right side
    1,123,100.60x = 829,266,962,506.62
  5. Step 5: Solve for x
    x = 829,266,962,506.62/1,123,100.60
  6. Step 6: Final answer
    x = 738,372.82

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Double scale
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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.