Home / 1,513,939.50-2,270,909.61-615,869.82

Finding the Fourth Proportional to 1,513,939.50, 2,270,909.61 and 615,869.82

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Solution

The fourth proportional to 1,513,939.50, 2,270,909.61 and 615,869.82 is: 923,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,939.50 : 2,270,909.61 = 615,869.82 : x
  2. Step 2: Convert to fraction form
    1,513,939.50/2,270,909.61 = 615,869.82/x
  3. Step 3: Cross multiply
    1,513,939.50x = 2,270,909.61 × 615,869.82
  4. Step 4: Simplify right side
    1,513,939.50x = 1,398,584,692,746.97
  5. Step 5: Solve for x
    x = 1,398,584,692,746.97/1,513,939.50
  6. Step 6: Final answer
    x = 923,804.88

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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.