Home / 1,001,721-1,502,756.48-440,740.92

Finding the Fourth Proportional to 1,001,721, 1,502,756.48 and 440,740.92

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Solution

The fourth proportional to 1,001,721, 1,502,756.48 and 440,740.92 is: 661,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,721 : 1,502,756.48 = 440,740.92 : x
  2. Step 2: Convert to fraction form
    1,001,721/1,502,756.48 = 440,740.92/x
  3. Step 3: Cross multiply
    1,001,721x = 1,502,756.48 × 440,740.92
  4. Step 4: Simplify right side
    1,001,721x = 662,326,273,531.16
  5. Step 5: Solve for x
    x = 662,326,273,531.16/1,001,721
  6. Step 6: Final answer
    x = 661,188.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.