Home / 1,001,587.07-1,381,072.36-725,398.71

Finding the Fourth Proportional to 1,001,587.07, 1,381,072.36 and 725,398.71

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Solution

The fourth proportional to 1,001,587.07, 1,381,072.36 and 725,398.71 is: 1,000,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,587.07 : 1,381,072.36 = 725,398.71 : x
  2. Step 2: Convert to fraction form
    1,001,587.07/1,381,072.36 = 725,398.71/x
  3. Step 3: Cross multiply
    1,001,587.07x = 1,381,072.36 × 725,398.71
  4. Step 4: Simplify right side
    1,001,587.07x = 1,001,828,108,360.66
  5. Step 5: Solve for x
    x = 1,001,828,108,360.66/1,001,587.07
  6. Step 6: Final answer
    x = 1,000,240.66

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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.