Home / 1,054,520.91-1,581,454.07-380,514.75

Finding the Fourth Proportional to 1,054,520.91, 1,581,454.07 and 380,514.75

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Solution

The fourth proportional to 1,054,520.91, 1,581,454.07 and 380,514.75 is: 570,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,520.91 : 1,581,454.07 = 380,514.75 : x
  2. Step 2: Convert to fraction form
    1,054,520.91/1,581,454.07 = 380,514.75/x
  3. Step 3: Cross multiply
    1,054,520.91x = 1,581,454.07 × 380,514.75
  4. Step 4: Simplify right side
    1,054,520.91x = 601,766,598,179.96
  5. Step 5: Solve for x
    x = 601,766,598,179.96/1,054,520.91
  6. Step 6: Final answer
    x = 570,654.02

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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.