Home / 1,231,392.24-1,699,304.68-687,536.40

Finding the Fourth Proportional to 1,231,392.24, 1,699,304.68 and 687,536.40

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Solution

The fourth proportional to 1,231,392.24, 1,699,304.68 and 687,536.40 is: 948,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,392.24 : 1,699,304.68 = 687,536.40 : x
  2. Step 2: Convert to fraction form
    1,231,392.24/1,699,304.68 = 687,536.40/x
  3. Step 3: Cross multiply
    1,231,392.24x = 1,699,304.68 × 687,536.40
  4. Step 4: Simplify right side
    1,231,392.24x = 1,168,333,822,190.35
  5. Step 5: Solve for x
    x = 1,168,333,822,190.35/1,231,392.24
  6. Step 6: Final answer
    x = 948,790.96

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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.