Home / 1,025,889.80-1,539,003.18-315,917.96

Finding the Fourth Proportional to 1,025,889.80, 1,539,003.18 and 315,917.96

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Solution

The fourth proportional to 1,025,889.80, 1,539,003.18 and 315,917.96 is: 473,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,889.80 : 1,539,003.18 = 315,917.96 : x
  2. Step 2: Convert to fraction form
    1,025,889.80/1,539,003.18 = 315,917.96/x
  3. Step 3: Cross multiply
    1,025,889.80x = 1,539,003.18 × 315,917.96
  4. Step 4: Simplify right side
    1,025,889.80x = 486,198,745,059.11
  5. Step 5: Solve for x
    x = 486,198,745,059.11/1,025,889.80
  6. Step 6: Final answer
    x = 473,928.82

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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.