Home / 1,181,140.32-1,771,992.05-382,422.10

Finding the Fourth Proportional to 1,181,140.32, 1,771,992.05 and 382,422.10

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Solution

The fourth proportional to 1,181,140.32, 1,771,992.05 and 382,422.10 is: 573,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,140.32 : 1,771,992.05 = 382,422.10 : x
  2. Step 2: Convert to fraction form
    1,181,140.32/1,771,992.05 = 382,422.10/x
  3. Step 3: Cross multiply
    1,181,140.32x = 1,771,992.05 × 382,422.10
  4. Step 4: Simplify right side
    1,181,140.32x = 677,648,917,470.38
  5. Step 5: Solve for x
    x = 677,648,917,470.38/1,181,140.32
  6. Step 6: Final answer
    x = 573,724.31

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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.