Home / 1,298,527.44-1,791,976.87-725,591.76

Finding the Fourth Proportional to 1,298,527.44, 1,791,976.87 and 725,591.76

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Solution

The fourth proportional to 1,298,527.44, 1,791,976.87 and 725,591.76 is: 1,001,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,527.44 : 1,791,976.87 = 725,591.76 : x
  2. Step 2: Convert to fraction form
    1,298,527.44/1,791,976.87 = 725,591.76/x
  3. Step 3: Cross multiply
    1,298,527.44x = 1,791,976.87 × 725,591.76
  4. Step 4: Simplify right side
    1,298,527.44x = 1,300,243,650,982.59
  5. Step 5: Solve for x
    x = 1,300,243,650,982.59/1,298,527.44
  6. Step 6: Final answer
    x = 1,001,321.66

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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.