Home / 1,007,049.52-1,389,765-548,141.86

Finding the Fourth Proportional to 1,007,049.52, 1,389,765 and 548,141.86

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Solution

The fourth proportional to 1,007,049.52, 1,389,765 and 548,141.86 is: 756,455.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,049.52 : 1,389,765 = 548,141.86 : x
  2. Step 2: Convert to fraction form
    1,007,049.52/1,389,765 = 548,141.86/x
  3. Step 3: Cross multiply
    1,007,049.52x = 1,389,765 × 548,141.86
  4. Step 4: Simplify right side
    1,007,049.52x = 761,788,372,062.90
  5. Step 5: Solve for x
    x = 761,788,372,062.90/1,007,049.52
  6. Step 6: Final answer
    x = 756,455.72

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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.