Home / 747,601.20-1,121,401.80-666,730.80

Finding the Fourth Proportional to 747,601.20, 1,121,401.80 and 666,730.80

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Solution

The fourth proportional to 747,601.20, 1,121,401.80 and 666,730.80 is: 1,000,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,601.20 : 1,121,401.80 = 666,730.80 : x
  2. Step 2: Convert to fraction form
    747,601.20/1,121,401.80 = 666,730.80/x
  3. Step 3: Cross multiply
    747,601.20x = 1,121,401.80 × 666,730.80
  4. Step 4: Simplify right side
    747,601.20x = 747,673,119,235.44
  5. Step 5: Solve for x
    x = 747,673,119,235.44/747,601.20
  6. Step 6: Final answer
    x = 1,000,096.20

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1.5x scale

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.