Home / 1,002,007.80-1,502,638.29-402,766.97

Finding the Fourth Proportional to 1,002,007.80, 1,502,638.29 and 402,766.97

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Solution

The fourth proportional to 1,002,007.80, 1,502,638.29 and 402,766.97 is: 604,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,007.80 : 1,502,638.29 = 402,766.97 : x
  2. Step 2: Convert to fraction form
    1,002,007.80/1,502,638.29 = 402,766.97/x
  3. Step 3: Cross multiply
    1,002,007.80x = 1,502,638.29 × 402,766.97
  4. Step 4: Simplify right side
    1,002,007.80x = 605,213,063,556.09
  5. Step 5: Solve for x
    x = 605,213,063,556.09/1,002,007.80
  6. Step 6: Final answer
    x = 604,000.35

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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.