Home / 868,082.40-1,302,123.60-718,783.20

Finding the Fourth Proportional to 868,082.40, 1,302,123.60 and 718,783.20

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Solution

The fourth proportional to 868,082.40, 1,302,123.60 and 718,783.20 is: 1,078,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,082.40 : 1,302,123.60 = 718,783.20 : x
  2. Step 2: Convert to fraction form
    868,082.40/1,302,123.60 = 718,783.20/x
  3. Step 3: Cross multiply
    868,082.40x = 1,302,123.60 × 718,783.20
  4. Step 4: Simplify right side
    868,082.40x = 935,944,568,003.52
  5. Step 5: Solve for x
    x = 935,944,568,003.52/868,082.40
  6. Step 6: Final answer
    x = 1,078,174.80

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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.