Home / 992,708.64-1,369,931.76-540,001.44

Finding the Fourth Proportional to 992,708.64, 1,369,931.76 and 540,001.44

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Solution

The fourth proportional to 992,708.64, 1,369,931.76 and 540,001.44 is: 745,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,708.64 : 1,369,931.76 = 540,001.44 : x
  2. Step 2: Convert to fraction form
    992,708.64/1,369,931.76 = 540,001.44/x
  3. Step 3: Cross multiply
    992,708.64x = 1,369,931.76 × 540,001.44
  4. Step 4: Simplify right side
    992,708.64x = 739,765,123,101.73
  5. Step 5: Solve for x
    x = 739,765,123,101.73/992,708.64
  6. Step 6: Final answer
    x = 745,198.63

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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.