Home / 1,143,359.68-1,577,722.56-660,080.80

Finding the Fourth Proportional to 1,143,359.68, 1,577,722.56 and 660,080.80

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Solution

The fourth proportional to 1,143,359.68, 1,577,722.56 and 660,080.80 is: 910,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,359.68 : 1,577,722.56 = 660,080.80 : x
  2. Step 2: Convert to fraction form
    1,143,359.68/1,577,722.56 = 660,080.80/x
  3. Step 3: Cross multiply
    1,143,359.68x = 1,577,722.56 × 660,080.80
  4. Step 4: Simplify right side
    1,143,359.68x = 1,041,424,369,582.85
  5. Step 5: Solve for x
    x = 1,041,424,369,582.85/1,143,359.68
  6. Step 6: Final answer
    x = 910,845.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.