Home / 2,794,280.80-4,191,421.20-772,520.80

Finding the Fourth Proportional to 2,794,280.80, 4,191,421.20 and 772,520.80

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Solution

The fourth proportional to 2,794,280.80, 4,191,421.20 and 772,520.80 is: 1,158,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794,280.80 : 4,191,421.20 = 772,520.80 : x
  2. Step 2: Convert to fraction form
    2,794,280.80/4,191,421.20 = 772,520.80/x
  3. Step 3: Cross multiply
    2,794,280.80x = 4,191,421.20 × 772,520.80
  4. Step 4: Simplify right side
    2,794,280.80x = 3,237,960,058,560.96
  5. Step 5: Solve for x
    x = 3,237,960,058,560.96/2,794,280.80
  6. Step 6: Final answer
    x = 1,158,781.20

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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.