Home / 1,234,678.22-1,703,110.04-815,576.58

Finding the Fourth Proportional to 1,234,678.22, 1,703,110.04 and 815,576.58

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Solution

The fourth proportional to 1,234,678.22, 1,703,110.04 and 815,576.58 is: 1,125,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,678.22 : 1,703,110.04 = 815,576.58 : x
  2. Step 2: Convert to fraction form
    1,234,678.22/1,703,110.04 = 815,576.58/x
  3. Step 3: Cross multiply
    1,234,678.22x = 1,703,110.04 × 815,576.58
  4. Step 4: Simplify right side
    1,234,678.22x = 1,389,016,661,786.86
  5. Step 5: Solve for x
    x = 1,389,016,661,786.86/1,234,678.22
  6. Step 6: Final answer
    x = 1,125,002.97

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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.