Home / 1,438,765.32-2,156,660.80-539,572.96

Finding the Fourth Proportional to 1,438,765.32, 2,156,660.80 and 539,572.96

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Solution

The fourth proportional to 1,438,765.32, 2,156,660.80 and 539,572.96 is: 808,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,765.32 : 2,156,660.80 = 539,572.96 : x
  2. Step 2: Convert to fraction form
    1,438,765.32/2,156,660.80 = 539,572.96/x
  3. Step 3: Cross multiply
    1,438,765.32x = 2,156,660.80 × 539,572.96
  4. Step 4: Simplify right side
    1,438,765.32x = 1,163,675,851,571.97
  5. Step 5: Solve for x
    x = 1,163,675,851,571.97/1,438,765.32
  6. Step 6: Final answer
    x = 808,801.71

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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.