Home / 1,334,158.56-1,841,139.18-722,311.20

Finding the Fourth Proportional to 1,334,158.56, 1,841,139.18 and 722,311.20

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Solution

The fourth proportional to 1,334,158.56, 1,841,139.18 and 722,311.20 is: 996,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,158.56 : 1,841,139.18 = 722,311.20 : x
  2. Step 2: Convert to fraction form
    1,334,158.56/1,841,139.18 = 722,311.20/x
  3. Step 3: Cross multiply
    1,334,158.56x = 1,841,139.18 × 722,311.20
  4. Step 4: Simplify right side
    1,334,158.56x = 1,329,875,450,472.82
  5. Step 5: Solve for x
    x = 1,329,875,450,472.82/1,334,158.56
  6. Step 6: Final answer
    x = 996,789.65

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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.