Home / 1,057,279.20-1,586,165.04-309,383.52

Finding the Fourth Proportional to 1,057,279.20, 1,586,165.04 and 309,383.52

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Solution

The fourth proportional to 1,057,279.20, 1,586,165.04 and 309,383.52 is: 464,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,279.20 : 1,586,165.04 = 309,383.52 : x
  2. Step 2: Convert to fraction form
    1,057,279.20/1,586,165.04 = 309,383.52/x
  3. Step 3: Cross multiply
    1,057,279.20x = 1,586,165.04 × 309,383.52
  4. Step 4: Simplify right side
    1,057,279.20x = 490,733,323,376.14
  5. Step 5: Solve for x
    x = 490,733,323,376.14/1,057,279.20
  6. Step 6: Final answer
    x = 464,147.34

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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.