Home / 1,077,864-1,616,789.52-279,143.52

Finding the Fourth Proportional to 1,077,864, 1,616,789.52 and 279,143.52

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Solution

The fourth proportional to 1,077,864, 1,616,789.52 and 279,143.52 is: 418,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,864 : 1,616,789.52 = 279,143.52 : x
  2. Step 2: Convert to fraction form
    1,077,864/1,616,789.52 = 279,143.52/x
  3. Step 3: Cross multiply
    1,077,864x = 1,616,789.52 × 279,143.52
  4. Step 4: Simplify right side
    1,077,864x = 451,316,317,711.91
  5. Step 5: Solve for x
    x = 451,316,317,711.91/1,077,864
  6. Step 6: Final answer
    x = 418,713.60

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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.