Home / 1,217,691.01-1,680,751.38-708,491.80

Finding the Fourth Proportional to 1,217,691.01, 1,680,751.38 and 708,491.80

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Solution

The fourth proportional to 1,217,691.01, 1,680,751.38 and 708,491.80 is: 977,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,691.01 : 1,680,751.38 = 708,491.80 : x
  2. Step 2: Convert to fraction form
    1,217,691.01/1,680,751.38 = 708,491.80/x
  3. Step 3: Cross multiply
    1,217,691.01x = 1,680,751.38 × 708,491.80
  4. Step 4: Simplify right side
    1,217,691.01x = 1,190,798,570,568.68
  5. Step 5: Solve for x
    x = 1,190,798,570,568.68/1,217,691.01
  6. Step 6: Final answer
    x = 977,915.22

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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.