Home / 1,220,248.24-1,683,959.52-669,015.76

Finding the Fourth Proportional to 1,220,248.24, 1,683,959.52 and 669,015.76

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Solution

The fourth proportional to 1,220,248.24, 1,683,959.52 and 669,015.76 is: 923,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,248.24 : 1,683,959.52 = 669,015.76 : x
  2. Step 2: Convert to fraction form
    1,220,248.24/1,683,959.52 = 669,015.76/x
  3. Step 3: Cross multiply
    1,220,248.24x = 1,683,959.52 × 669,015.76
  4. Step 4: Simplify right side
    1,220,248.24x = 1,126,595,458,082.04
  5. Step 5: Solve for x
    x = 1,126,595,458,082.04/1,220,248.24
  6. Step 6: Final answer
    x = 923,251.04

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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.