Home / 1,281,092.76-1,767,838.97-708,098.76

Finding the Fourth Proportional to 1,281,092.76, 1,767,838.97 and 708,098.76

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Solution

The fourth proportional to 1,281,092.76, 1,767,838.97 and 708,098.76 is: 977,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,092.76 : 1,767,838.97 = 708,098.76 : x
  2. Step 2: Convert to fraction form
    1,281,092.76/1,767,838.97 = 708,098.76/x
  3. Step 3: Cross multiply
    1,281,092.76x = 1,767,838.97 × 708,098.76
  4. Step 4: Simplify right side
    1,281,092.76x = 1,251,804,584,306.92
  5. Step 5: Solve for x
    x = 1,251,804,584,306.92/1,281,092.76
  6. Step 6: Final answer
    x = 977,138.13

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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.