Home / 1,520,381.53-2,276,712.24-912,791.92

Finding the Fourth Proportional to 1,520,381.53, 2,276,712.24 and 912,791.92

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Solution

The fourth proportional to 1,520,381.53, 2,276,712.24 and 912,791.92 is: 1,366,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,381.53 : 2,276,712.24 = 912,791.92 : x
  2. Step 2: Convert to fraction form
    1,520,381.53/2,276,712.24 = 912,791.92/x
  3. Step 3: Cross multiply
    1,520,381.53x = 2,276,712.24 × 912,791.92
  4. Step 4: Simplify right side
    1,520,381.53x = 2,078,164,536,837.10
  5. Step 5: Solve for x
    x = 2,078,164,536,837.10/1,520,381.53
  6. Step 6: Final answer
    x = 1,366,870.42

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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.