Home / 1,222,742.80-1,834,770.30-512,842.60

Finding the Fourth Proportional to 1,222,742.80, 1,834,770.30 and 512,842.60

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Solution

The fourth proportional to 1,222,742.80, 1,834,770.30 and 512,842.60 is: 769,539.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,742.80 : 1,834,770.30 = 512,842.60 : x
  2. Step 2: Convert to fraction form
    1,222,742.80/1,834,770.30 = 512,842.60/x
  3. Step 3: Cross multiply
    1,222,742.80x = 1,834,770.30 × 512,842.60
  4. Step 4: Simplify right side
    1,222,742.80x = 940,948,371,054.78
  5. Step 5: Solve for x
    x = 940,948,371,054.78/1,222,742.80
  6. Step 6: Final answer
    x = 769,539.08

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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.