Home / 1,399,607.76-2,099,691.92-440,304.81

Finding the Fourth Proportional to 1,399,607.76, 2,099,691.92 and 440,304.81

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Solution

The fourth proportional to 1,399,607.76, 2,099,691.92 and 440,304.81 is: 660,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,607.76 : 2,099,691.92 = 440,304.81 : x
  2. Step 2: Convert to fraction form
    1,399,607.76/2,099,691.92 = 440,304.81/x
  3. Step 3: Cross multiply
    1,399,607.76x = 2,099,691.92 × 440,304.81
  4. Step 4: Simplify right side
    1,399,607.76x = 924,504,456,931.82
  5. Step 5: Solve for x
    x = 924,504,456,931.82/1,399,607.76
  6. Step 6: Final answer
    x = 660,545.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.