Home / 1,086,304.64-1,500,344.61-715,425.53

Finding the Fourth Proportional to 1,086,304.64, 1,500,344.61 and 715,425.53

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Solution

The fourth proportional to 1,086,304.64, 1,500,344.61 and 715,425.53 is: 988,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,304.64 : 1,500,344.61 = 715,425.53 : x
  2. Step 2: Convert to fraction form
    1,086,304.64/1,500,344.61 = 715,425.53/x
  3. Step 3: Cross multiply
    1,086,304.64x = 1,500,344.61 × 715,425.53
  4. Step 4: Simplify right side
    1,086,304.64x = 1,073,384,837,791.89
  5. Step 5: Solve for x
    x = 1,073,384,837,791.89/1,086,304.64
  6. Step 6: Final answer
    x = 988,106.65

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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.