Home / 1,233,937.80-1,702,920.96-690,124.20

Finding the Fourth Proportional to 1,233,937.80, 1,702,920.96 and 690,124.20

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Solution

The fourth proportional to 1,233,937.80, 1,702,920.96 and 690,124.20 is: 952,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,937.80 : 1,702,920.96 = 690,124.20 : x
  2. Step 2: Convert to fraction form
    1,233,937.80/1,702,920.96 = 690,124.20/x
  3. Step 3: Cross multiply
    1,233,937.80x = 1,702,920.96 × 690,124.20
  4. Step 4: Simplify right side
    1,233,937.80x = 1,175,226,965,183.23
  5. Step 5: Solve for x
    x = 1,175,226,965,183.23/1,233,937.80
  6. Step 6: Final answer
    x = 952,419.94

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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.