Home / 1,147,879.76-1,722,155.88-473,999.45

Finding the Fourth Proportional to 1,147,879.76, 1,722,155.88 and 473,999.45

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Solution

The fourth proportional to 1,147,879.76, 1,722,155.88 and 473,999.45 is: 711,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,879.76 : 1,722,155.88 = 473,999.45 : x
  2. Step 2: Convert to fraction form
    1,147,879.76/1,722,155.88 = 473,999.45/x
  3. Step 3: Cross multiply
    1,147,879.76x = 1,722,155.88 × 473,999.45
  4. Step 4: Simplify right side
    1,147,879.76x = 816,300,933,100.99
  5. Step 5: Solve for x
    x = 816,300,933,100.99/1,147,879.76
  6. Step 6: Final answer
    x = 711,138.02

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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.