Home / 1,035,144.29-1,429,694.73-690,381.20

Finding the Fourth Proportional to 1,035,144.29, 1,429,694.73 and 690,381.20

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Solution

The fourth proportional to 1,035,144.29, 1,429,694.73 and 690,381.20 is: 953,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,144.29 : 1,429,694.73 = 690,381.20 : x
  2. Step 2: Convert to fraction form
    1,035,144.29/1,429,694.73 = 690,381.20/x
  3. Step 3: Cross multiply
    1,035,144.29x = 1,429,694.73 × 690,381.20
  4. Step 4: Simplify right side
    1,035,144.29x = 987,034,363,331.08
  5. Step 5: Solve for x
    x = 987,034,363,331.08/1,035,144.29
  6. Step 6: Final answer
    x = 953,523.46

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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.