Home / 886,521.20-1,327,909.80-587,145.20

Finding the Fourth Proportional to 886,521.20, 1,327,909.80 and 587,145.20

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Solution

The fourth proportional to 886,521.20, 1,327,909.80 and 587,145.20 is: 879,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,521.20 : 1,327,909.80 = 587,145.20 : x
  2. Step 2: Convert to fraction form
    886,521.20/1,327,909.80 = 587,145.20/x
  3. Step 3: Cross multiply
    886,521.20x = 1,327,909.80 × 587,145.20
  4. Step 4: Simplify right side
    886,521.20x = 779,675,865,102.96
  5. Step 5: Solve for x
    x = 779,675,865,102.96/886,521.20
  6. Step 6: Final answer
    x = 879,477.97

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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.