Home / 1,231,358.22-1,699,257.80-687,502.34

Finding the Fourth Proportional to 1,231,358.22, 1,699,257.80 and 687,502.34

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Solution

The fourth proportional to 1,231,358.22, 1,699,257.80 and 687,502.34 is: 948,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,358.22 : 1,699,257.80 = 687,502.34 : x
  2. Step 2: Convert to fraction form
    1,231,358.22/1,699,257.80 = 687,502.34/x
  3. Step 3: Cross multiply
    1,231,358.22x = 1,699,257.80 × 687,502.34
  4. Step 4: Simplify right side
    1,231,358.22x = 1,168,243,713,763.25
  5. Step 5: Solve for x
    x = 1,168,243,713,763.25/1,231,358.22
  6. Step 6: Final answer
    x = 948,743.99

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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.