Home / 1,181,920.80-1,771,909.20-508,519.20

Finding the Fourth Proportional to 1,181,920.80, 1,771,909.20 and 508,519.20

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Solution

The fourth proportional to 1,181,920.80, 1,771,909.20 and 508,519.20 is: 762,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,920.80 : 1,771,909.20 = 508,519.20 : x
  2. Step 2: Convert to fraction form
    1,181,920.80/1,771,909.20 = 508,519.20/x
  3. Step 3: Cross multiply
    1,181,920.80x = 1,771,909.20 × 508,519.20
  4. Step 4: Simplify right side
    1,181,920.80x = 901,049,848,856.64
  5. Step 5: Solve for x
    x = 901,049,848,856.64/1,181,920.80
  6. Step 6: Final answer
    x = 762,360.60

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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.