Home / 1,025,965.38-1,539,113.52-315,993.18

Finding the Fourth Proportional to 1,025,965.38, 1,539,113.52 and 315,993.18

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Solution

The fourth proportional to 1,025,965.38, 1,539,113.52 and 315,993.18 is: 474,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,965.38 : 1,539,113.52 = 315,993.18 : x
  2. Step 2: Convert to fraction form
    1,025,965.38/1,539,113.52 = 315,993.18/x
  3. Step 3: Cross multiply
    1,025,965.38x = 1,539,113.52 × 315,993.18
  4. Step 4: Simplify right side
    1,025,965.38x = 486,349,375,565.79
  5. Step 5: Solve for x
    x = 486,349,375,565.79/1,025,965.38
  6. Step 6: Final answer
    x = 474,040.73

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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.