Home / 1,109,040.64-1,663,387.44-361,081.60

Finding the Fourth Proportional to 1,109,040.64, 1,663,387.44 and 361,081.60

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Solution

The fourth proportional to 1,109,040.64, 1,663,387.44 and 361,081.60 is: 541,565.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,040.64 : 1,663,387.44 = 361,081.60 : x
  2. Step 2: Convert to fraction form
    1,109,040.64/1,663,387.44 = 361,081.60/x
  3. Step 3: Cross multiply
    1,109,040.64x = 1,663,387.44 × 361,081.60
  4. Step 4: Simplify right side
    1,109,040.64x = 600,618,598,255.10
  5. Step 5: Solve for x
    x = 600,618,598,255.10/1,109,040.64
  6. Step 6: Final answer
    x = 541,565.91

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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.