Home / 1,538,902.32-2,318,857.62-1,264,565.04

Finding the Fourth Proportional to 1,538,902.32, 2,318,857.62 and 1,264,565.04

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Solution

The fourth proportional to 1,538,902.32, 2,318,857.62 and 1,264,565.04 is: 1,905,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,902.32 : 2,318,857.62 = 1,264,565.04 : x
  2. Step 2: Convert to fraction form
    1,538,902.32/2,318,857.62 = 1,264,565.04/x
  3. Step 3: Cross multiply
    1,538,902.32x = 2,318,857.62 × 1,264,565.04
  4. Step 4: Simplify right side
    1,538,902.32x = 2,932,346,278,989.61
  5. Step 5: Solve for x
    x = 2,932,346,278,989.61/1,538,902.32
  6. Step 6: Final answer
    x = 1,905,479.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.