Home / 1,251,439.08-1,877,508.54-410,581.32

Finding the Fourth Proportional to 1,251,439.08, 1,877,508.54 and 410,581.32

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Solution

The fourth proportional to 1,251,439.08, 1,877,508.54 and 410,581.32 is: 615,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,439.08 : 1,877,508.54 = 410,581.32 : x
  2. Step 2: Convert to fraction form
    1,251,439.08/1,877,508.54 = 410,581.32/x
  3. Step 3: Cross multiply
    1,251,439.08x = 1,877,508.54 × 410,581.32
  4. Step 4: Simplify right side
    1,251,439.08x = 770,869,934,664.47
  5. Step 5: Solve for x
    x = 770,869,934,664.47/1,251,439.08
  6. Step 6: Final answer
    x = 615,986.78

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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.