Home / 1,151,131.90-1,726,681.65-520,044.70

Finding the Fourth Proportional to 1,151,131.90, 1,726,681.65 and 520,044.70

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Solution

The fourth proportional to 1,151,131.90, 1,726,681.65 and 520,044.70 is: 780,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,131.90 : 1,726,681.65 = 520,044.70 : x
  2. Step 2: Convert to fraction form
    1,151,131.90/1,726,681.65 = 520,044.70/x
  3. Step 3: Cross multiply
    1,151,131.90x = 1,726,681.65 × 520,044.70
  4. Step 4: Simplify right side
    1,151,131.90x = 897,951,640,669.76
  5. Step 5: Solve for x
    x = 897,951,640,669.76/1,151,131.90
  6. Step 6: Final answer
    x = 780,059.73

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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.