Home / 1,437,340.80-2,155,708.80-726,700.80

Finding the Fourth Proportional to 1,437,340.80, 2,155,708.80 and 726,700.80

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Solution

The fourth proportional to 1,437,340.80, 2,155,708.80 and 726,700.80 is: 1,089,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,340.80 : 2,155,708.80 = 726,700.80 : x
  2. Step 2: Convert to fraction form
    1,437,340.80/2,155,708.80 = 726,700.80/x
  3. Step 3: Cross multiply
    1,437,340.80x = 2,155,708.80 × 726,700.80
  4. Step 4: Simplify right side
    1,437,340.80x = 1,566,555,309,527.04
  5. Step 5: Solve for x
    x = 1,566,555,309,527.04/1,437,340.80
  6. Step 6: Final answer
    x = 1,089,898.31

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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.