Home / 1,221,202.20-1,832,191.38-547,862.52

Finding the Fourth Proportional to 1,221,202.20, 1,832,191.38 and 547,862.52

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Solution

The fourth proportional to 1,221,202.20, 1,832,191.38 and 547,862.52 is: 821,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,202.20 : 1,832,191.38 = 547,862.52 : x
  2. Step 2: Convert to fraction form
    1,221,202.20/1,832,191.38 = 547,862.52/x
  3. Step 3: Cross multiply
    1,221,202.20x = 1,832,191.38 × 547,862.52
  4. Step 4: Simplify right side
    1,221,202.20x = 1,003,788,986,569.08
  5. Step 5: Solve for x
    x = 1,003,788,986,569.08/1,221,202.20
  6. Step 6: Final answer
    x = 821,967.88

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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.