Home / 976,920.80-1,465,381.20-935,448.80

Finding the Fourth Proportional to 976,920.80, 1,465,381.20 and 935,448.80

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Solution

The fourth proportional to 976,920.80, 1,465,381.20 and 935,448.80 is: 1,403,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,920.80 : 1,465,381.20 = 935,448.80 : x
  2. Step 2: Convert to fraction form
    976,920.80/1,465,381.20 = 935,448.80/x
  3. Step 3: Cross multiply
    976,920.80x = 1,465,381.20 × 935,448.80
  4. Step 4: Simplify right side
    976,920.80x = 1,370,789,085,082.56
  5. Step 5: Solve for x
    x = 1,370,789,085,082.56/976,920.80
  6. Step 6: Final answer
    x = 1,403,173.20

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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.