Home / 1,102,879.20-1,654,513.20-393,319.20

Finding the Fourth Proportional to 1,102,879.20, 1,654,513.20 and 393,319.20

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Solution

The fourth proportional to 1,102,879.20, 1,654,513.20 and 393,319.20 is: 590,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,879.20 : 1,654,513.20 = 393,319.20 : x
  2. Step 2: Convert to fraction form
    1,102,879.20/1,654,513.20 = 393,319.20/x
  3. Step 3: Cross multiply
    1,102,879.20x = 1,654,513.20 × 393,319.20
  4. Step 4: Simplify right side
    1,102,879.20x = 650,751,808,213.44
  5. Step 5: Solve for x
    x = 650,751,808,213.44/1,102,879.20
  6. Step 6: Final answer
    x = 590,048.13

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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.