Home / 1,288,860.60-1,933,982.10-540,982.20

Finding the Fourth Proportional to 1,288,860.60, 1,933,982.10 and 540,982.20

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Solution

The fourth proportional to 1,288,860.60, 1,933,982.10 and 540,982.20 is: 811,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,860.60 : 1,933,982.10 = 540,982.20 : x
  2. Step 2: Convert to fraction form
    1,288,860.60/1,933,982.10 = 540,982.20/x
  3. Step 3: Cross multiply
    1,288,860.60x = 1,933,982.10 × 540,982.20
  4. Step 4: Simplify right side
    1,288,860.60x = 1,046,249,891,218.62
  5. Step 5: Solve for x
    x = 1,046,249,891,218.62/1,288,860.60
  6. Step 6: Final answer
    x = 811,763.42

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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.