Home / 1,542,889.80-2,314,704.22-643,831.42

Finding the Fourth Proportional to 1,542,889.80, 2,314,704.22 and 643,831.42

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Solution

The fourth proportional to 1,542,889.80, 2,314,704.22 and 643,831.42 is: 965,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,889.80 : 2,314,704.22 = 643,831.42 : x
  2. Step 2: Convert to fraction form
    1,542,889.80/2,314,704.22 = 643,831.42/x
  3. Step 3: Cross multiply
    1,542,889.80x = 2,314,704.22 × 643,831.42
  4. Step 4: Simplify right side
    1,542,889.80x = 1,490,279,304,842.59
  5. Step 5: Solve for x
    x = 1,490,279,304,842.59/1,542,889.80
  6. Step 6: Final answer
    x = 965,901.33

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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.