Home / 1,087,060.40-1,500,281.76-657,343.60

Finding the Fourth Proportional to 1,087,060.40, 1,500,281.76 and 657,343.60

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Solution

The fourth proportional to 1,087,060.40, 1,500,281.76 and 657,343.60 is: 907,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,060.40 : 1,500,281.76 = 657,343.60 : x
  2. Step 2: Convert to fraction form
    1,087,060.40/1,500,281.76 = 657,343.60/x
  3. Step 3: Cross multiply
    1,087,060.40x = 1,500,281.76 × 657,343.60
  4. Step 4: Simplify right side
    1,087,060.40x = 986,200,613,132.74
  5. Step 5: Solve for x
    x = 986,200,613,132.74/1,087,060.40
  6. Step 6: Final answer
    x = 907,217.86

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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.