Home / 1,240,744.80-1,861,462.80-609,679.20

Finding the Fourth Proportional to 1,240,744.80, 1,861,462.80 and 609,679.20

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Solution

The fourth proportional to 1,240,744.80, 1,861,462.80 and 609,679.20 is: 914,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,744.80 : 1,861,462.80 = 609,679.20 : x
  2. Step 2: Convert to fraction form
    1,240,744.80/1,861,462.80 = 609,679.20/x
  3. Step 3: Cross multiply
    1,240,744.80x = 1,861,462.80 × 609,679.20
  4. Step 4: Simplify right side
    1,240,744.80x = 1,134,895,150,733.76
  5. Step 5: Solve for x
    x = 1,134,895,150,733.76/1,240,744.80
  6. Step 6: Final answer
    x = 914,688.62

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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.