Home / 1,019,531.52-1,529,198.28-309,565.62

Finding the Fourth Proportional to 1,019,531.52, 1,529,198.28 and 309,565.62

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Solution

The fourth proportional to 1,019,531.52, 1,529,198.28 and 309,565.62 is: 464,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,531.52 : 1,529,198.28 = 309,565.62 : x
  2. Step 2: Convert to fraction form
    1,019,531.52/1,529,198.28 = 309,565.62/x
  3. Step 3: Cross multiply
    1,019,531.52x = 1,529,198.28 × 309,565.62
  4. Step 4: Simplify right side
    1,019,531.52x = 473,387,213,651.13
  5. Step 5: Solve for x
    x = 473,387,213,651.13/1,019,531.52
  6. Step 6: Final answer
    x = 464,318.37

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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.