Home / 1,078,747.20-1,609,279.18-1,049,425.68

Finding the Fourth Proportional to 1,078,747.20, 1,609,279.18 and 1,049,425.68

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Solution

The fourth proportional to 1,078,747.20, 1,609,279.18 and 1,049,425.68 is: 1,565,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,747.20 : 1,609,279.18 = 1,049,425.68 : x
  2. Step 2: Convert to fraction form
    1,078,747.20/1,609,279.18 = 1,049,425.68/x
  3. Step 3: Cross multiply
    1,078,747.20x = 1,609,279.18 × 1,049,425.68
  4. Step 4: Simplify right side
    1,078,747.20x = 1,688,818,897,781.34
  5. Step 5: Solve for x
    x = 1,688,818,897,781.34/1,078,747.20
  6. Step 6: Final answer
    x = 1,565,537.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.