Home / 1,559,947.20-2,339,229.60-718,756.80

Finding the Fourth Proportional to 1,559,947.20, 2,339,229.60 and 718,756.80

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Solution

The fourth proportional to 1,559,947.20, 2,339,229.60 and 718,756.80 is: 1,077,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,947.20 : 2,339,229.60 = 718,756.80 : x
  2. Step 2: Convert to fraction form
    1,559,947.20/2,339,229.60 = 718,756.80/x
  3. Step 3: Cross multiply
    1,559,947.20x = 2,339,229.60 × 718,756.80
  4. Step 4: Simplify right side
    1,559,947.20x = 1,681,337,181,761.28
  5. Step 5: Solve for x
    x = 1,681,337,181,761.28/1,559,947.20
  6. Step 6: Final answer
    x = 1,077,816.72

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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.