Home / 1,280,172.24-1,766,691.36-736,308.16

Finding the Fourth Proportional to 1,280,172.24, 1,766,691.36 and 736,308.16

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Solution

The fourth proportional to 1,280,172.24, 1,766,691.36 and 736,308.16 is: 1,016,136.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,172.24 : 1,766,691.36 = 736,308.16 : x
  2. Step 2: Convert to fraction form
    1,280,172.24/1,766,691.36 = 736,308.16/x
  3. Step 3: Cross multiply
    1,280,172.24x = 1,766,691.36 × 736,308.16
  4. Step 4: Simplify right side
    1,280,172.24x = 1,300,829,264,569.50
  5. Step 5: Solve for x
    x = 1,300,829,264,569.50/1,280,172.24
  6. Step 6: Final answer
    x = 1,016,136.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.