Home / 1,042,432.80-1,437,815.68-956,668.76

Finding the Fourth Proportional to 1,042,432.80, 1,437,815.68 and 956,668.76

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Solution

The fourth proportional to 1,042,432.80, 1,437,815.68 and 956,668.76 is: 1,319,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,432.80 : 1,437,815.68 = 956,668.76 : x
  2. Step 2: Convert to fraction form
    1,042,432.80/1,437,815.68 = 956,668.76/x
  3. Step 3: Cross multiply
    1,042,432.80x = 1,437,815.68 × 956,668.76
  4. Step 4: Simplify right side
    1,042,432.80x = 1,375,513,343,694.16
  5. Step 5: Solve for x
    x = 1,375,513,343,694.16/1,042,432.80
  6. Step 6: Final answer
    x = 1,319,522.32

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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.