Home / 1,217,712.92-1,680,418.67-673,848.34

Finding the Fourth Proportional to 1,217,712.92, 1,680,418.67 and 673,848.34

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Solution

The fourth proportional to 1,217,712.92, 1,680,418.67 and 673,848.34 is: 929,896.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,712.92 : 1,680,418.67 = 673,848.34 : x
  2. Step 2: Convert to fraction form
    1,217,712.92/1,680,418.67 = 673,848.34/x
  3. Step 3: Cross multiply
    1,217,712.92x = 1,680,418.67 × 673,848.34
  4. Step 4: Simplify right side
    1,217,712.92x = 1,132,347,323,714.22
  5. Step 5: Solve for x
    x = 1,132,347,323,714.22/1,217,712.92
  6. Step 6: Final answer
    x = 929,896.78

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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.