Home / 1,413,768.60-2,120,849.86-454,253.12

Finding the Fourth Proportional to 1,413,768.60, 2,120,849.86 and 454,253.12

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Solution

The fourth proportional to 1,413,768.60, 2,120,849.86 and 454,253.12 is: 681,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,768.60 : 2,120,849.86 = 454,253.12 : x
  2. Step 2: Convert to fraction form
    1,413,768.60/2,120,849.86 = 454,253.12/x
  3. Step 3: Cross multiply
    1,413,768.60x = 2,120,849.86 × 454,253.12
  4. Step 4: Simplify right side
    1,413,768.60x = 963,402,665,956.56
  5. Step 5: Solve for x
    x = 963,402,665,956.56/1,413,768.60
  6. Step 6: Final answer
    x = 681,442.96

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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.