Home / 1,217,713.92-1,680,420.04-673,849.34

Finding the Fourth Proportional to 1,217,713.92, 1,680,420.04 and 673,849.34

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Solution

The fourth proportional to 1,217,713.92, 1,680,420.04 and 673,849.34 is: 929,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,713.92 : 1,680,420.04 = 673,849.34 : x
  2. Step 2: Convert to fraction form
    1,217,713.92/1,680,420.04 = 673,849.34/x
  3. Step 3: Cross multiply
    1,217,713.92x = 1,680,420.04 × 673,849.34
  4. Step 4: Simplify right side
    1,217,713.92x = 1,132,349,934,876.77
  5. Step 5: Solve for x
    x = 1,132,349,934,876.77/1,217,713.92
  6. Step 6: Final answer
    x = 929,898.16

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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.