Home / 1,181,566.20-1,772,003.70-423,319.80

Finding the Fourth Proportional to 1,181,566.20, 1,772,003.70 and 423,319.80

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Solution

The fourth proportional to 1,181,566.20, 1,772,003.70 and 423,319.80 is: 634,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,566.20 : 1,772,003.70 = 423,319.80 : x
  2. Step 2: Convert to fraction form
    1,181,566.20/1,772,003.70 = 423,319.80/x
  3. Step 3: Cross multiply
    1,181,566.20x = 1,772,003.70 × 423,319.80
  4. Step 4: Simplify right side
    1,181,566.20x = 750,124,251,883.26
  5. Step 5: Solve for x
    x = 750,124,251,883.26/1,181,566.20
  6. Step 6: Final answer
    x = 634,855.88

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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.