Home / 1,328,151.30-1,832,388.80-747,280.86

Finding the Fourth Proportional to 1,328,151.30, 1,832,388.80 and 747,280.86

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Solution

The fourth proportional to 1,328,151.30, 1,832,388.80 and 747,280.86 is: 1,030,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,151.30 : 1,832,388.80 = 747,280.86 : x
  2. Step 2: Convert to fraction form
    1,328,151.30/1,832,388.80 = 747,280.86/x
  3. Step 3: Cross multiply
    1,328,151.30x = 1,832,388.80 × 747,280.86
  4. Step 4: Simplify right side
    1,328,151.30x = 1,369,309,074,581.96
  5. Step 5: Solve for x
    x = 1,369,309,074,581.96/1,328,151.30
  6. Step 6: Final answer
    x = 1,030,988.77

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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.