Home / 1,377,925.11-2,067,109.38-479,622.15

Finding the Fourth Proportional to 1,377,925.11, 2,067,109.38 and 479,622.15

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Solution

The fourth proportional to 1,377,925.11, 2,067,109.38 and 479,622.15 is: 719,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,925.11 : 2,067,109.38 = 479,622.15 : x
  2. Step 2: Convert to fraction form
    1,377,925.11/2,067,109.38 = 479,622.15/x
  3. Step 3: Cross multiply
    1,377,925.11x = 2,067,109.38 × 479,622.15
  4. Step 4: Simplify right side
    1,377,925.11x = 991,431,445,120.77
  5. Step 5: Solve for x
    x = 991,431,445,120.77/1,377,925.11
  6. Step 6: Final answer
    x = 719,510.40

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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.