Home / 1,366,439.25-1,885,686.30-762,827.25

Finding the Fourth Proportional to 1,366,439.25, 1,885,686.30 and 762,827.25

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Solution

The fourth proportional to 1,366,439.25, 1,885,686.30 and 762,827.25 is: 1,052,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,439.25 : 1,885,686.30 = 762,827.25 : x
  2. Step 2: Convert to fraction form
    1,366,439.25/1,885,686.30 = 762,827.25/x
  3. Step 3: Cross multiply
    1,366,439.25x = 1,885,686.30 × 762,827.25
  4. Step 4: Simplify right side
    1,366,439.25x = 1,438,452,894,591.68
  5. Step 5: Solve for x
    x = 1,438,452,894,591.68/1,366,439.25
  6. Step 6: Final answer
    x = 1,052,701.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.