Home / 1,253,048.20-1,879,572.30-722,206.60

Finding the Fourth Proportional to 1,253,048.20, 1,879,572.30 and 722,206.60

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Solution

The fourth proportional to 1,253,048.20, 1,879,572.30 and 722,206.60 is: 1,083,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,048.20 : 1,879,572.30 = 722,206.60 : x
  2. Step 2: Convert to fraction form
    1,253,048.20/1,879,572.30 = 722,206.60/x
  3. Step 3: Cross multiply
    1,253,048.20x = 1,879,572.30 × 722,206.60
  4. Step 4: Simplify right side
    1,253,048.20x = 1,357,439,520,237.18
  5. Step 5: Solve for x
    x = 1,357,439,520,237.18/1,253,048.20
  6. Step 6: Final answer
    x = 1,083,309.90

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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.