Home / 1,561,873.20-2,342,809.80-931,498.80

Finding the Fourth Proportional to 1,561,873.20, 2,342,809.80 and 931,498.80

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Solution

The fourth proportional to 1,561,873.20, 2,342,809.80 and 931,498.80 is: 1,397,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,873.20 : 2,342,809.80 = 931,498.80 : x
  2. Step 2: Convert to fraction form
    1,561,873.20/2,342,809.80 = 931,498.80/x
  3. Step 3: Cross multiply
    1,561,873.20x = 2,342,809.80 × 931,498.80
  4. Step 4: Simplify right side
    1,561,873.20x = 2,182,324,517,328.24
  5. Step 5: Solve for x
    x = 2,182,324,517,328.24/1,561,873.20
  6. Step 6: Final answer
    x = 1,397,248.20

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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.