Home / 1,322,481.27-1,982,061.60-715,245.38

Finding the Fourth Proportional to 1,322,481.27, 1,982,061.60 and 715,245.38

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Solution

The fourth proportional to 1,322,481.27, 1,982,061.60 and 715,245.38 is: 1,071,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,481.27 : 1,982,061.60 = 715,245.38 : x
  2. Step 2: Convert to fraction form
    1,322,481.27/1,982,061.60 = 715,245.38/x
  3. Step 3: Cross multiply
    1,322,481.27x = 1,982,061.60 × 715,245.38
  4. Step 4: Simplify right side
    1,322,481.27x = 1,417,660,402,275.41
  5. Step 5: Solve for x
    x = 1,417,660,402,275.41/1,322,481.27
  6. Step 6: Final answer
    x = 1,071,970.12

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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.