Home / 1,098,287.52-1,515,818.13-753,840.48

Finding the Fourth Proportional to 1,098,287.52, 1,515,818.13 and 753,840.48

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Solution

The fourth proportional to 1,098,287.52, 1,515,818.13 and 753,840.48 is: 1,040,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,287.52 : 1,515,818.13 = 753,840.48 : x
  2. Step 2: Convert to fraction form
    1,098,287.52/1,515,818.13 = 753,840.48/x
  3. Step 3: Cross multiply
    1,098,287.52x = 1,515,818.13 × 753,840.48
  4. Step 4: Simplify right side
    1,098,287.52x = 1,142,685,066,711.90
  5. Step 5: Solve for x
    x = 1,142,685,066,711.90/1,098,287.52
  6. Step 6: Final answer
    x = 1,040,424.34

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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.