Home / 1,098,177.41-1,515,666.21-753,730.38

Finding the Fourth Proportional to 1,098,177.41, 1,515,666.21 and 753,730.38

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Solution

The fourth proportional to 1,098,177.41, 1,515,666.21 and 753,730.38 is: 1,040,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,177.41 : 1,515,666.21 = 753,730.38 : x
  2. Step 2: Convert to fraction form
    1,098,177.41/1,515,666.21 = 753,730.38/x
  3. Step 3: Cross multiply
    1,098,177.41x = 1,515,666.21 × 753,730.38
  4. Step 4: Simplify right side
    1,098,177.41x = 1,142,403,668,416.46
  5. Step 5: Solve for x
    x = 1,142,403,668,416.46/1,098,177.41
  6. Step 6: Final answer
    x = 1,040,272.41

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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.