Home / 681,137.20-1,019,956.20-540,002.80

Finding the Fourth Proportional to 681,137.20, 1,019,956.20 and 540,002.80

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Solution

The fourth proportional to 681,137.20, 1,019,956.20 and 540,002.80 is: 808,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,137.20 : 1,019,956.20 = 540,002.80 : x
  2. Step 2: Convert to fraction form
    681,137.20/1,019,956.20 = 540,002.80/x
  3. Step 3: Cross multiply
    681,137.20x = 1,019,956.20 × 540,002.80
  4. Step 4: Simplify right side
    681,137.20x = 550,779,203,877.36
  5. Step 5: Solve for x
    x = 550,779,203,877.36/681,137.20
  6. Step 6: Final answer
    x = 808,617.12

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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.