Home / 1,542,890.18-2,314,704.78-643,831.79

Finding the Fourth Proportional to 1,542,890.18, 2,314,704.78 and 643,831.79

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Solution

The fourth proportional to 1,542,890.18, 2,314,704.78 and 643,831.79 is: 965,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,890.18 : 2,314,704.78 = 643,831.79 : x
  2. Step 2: Convert to fraction form
    1,542,890.18/2,314,704.78 = 643,831.79/x
  3. Step 3: Cross multiply
    1,542,890.18x = 2,314,704.78 × 643,831.79
  4. Step 4: Simplify right side
    1,542,890.18x = 1,490,280,521,828.96
  5. Step 5: Solve for x
    x = 1,490,280,521,828.96/1,542,890.18
  6. Step 6: Final answer
    x = 965,901.88

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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.