Home / 1,123,510.20-1,685,265.30-493,654.20

Finding the Fourth Proportional to 1,123,510.20, 1,685,265.30 and 493,654.20

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Solution

The fourth proportional to 1,123,510.20, 1,685,265.30 and 493,654.20 is: 740,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,510.20 : 1,685,265.30 = 493,654.20 : x
  2. Step 2: Convert to fraction form
    1,123,510.20/1,685,265.30 = 493,654.20/x
  3. Step 3: Cross multiply
    1,123,510.20x = 1,685,265.30 × 493,654.20
  4. Step 4: Simplify right side
    1,123,510.20x = 831,938,293,459.26
  5. Step 5: Solve for x
    x = 831,938,293,459.26/1,123,510.20
  6. Step 6: Final answer
    x = 740,481.30

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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.