Home / 1,518,854.80-2,278,282.20-808,517.20

Finding the Fourth Proportional to 1,518,854.80, 2,278,282.20 and 808,517.20

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Solution

The fourth proportional to 1,518,854.80, 2,278,282.20 and 808,517.20 is: 1,212,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,854.80 : 2,278,282.20 = 808,517.20 : x
  2. Step 2: Convert to fraction form
    1,518,854.80/2,278,282.20 = 808,517.20/x
  3. Step 3: Cross multiply
    1,518,854.80x = 2,278,282.20 × 808,517.20
  4. Step 4: Simplify right side
    1,518,854.80x = 1,842,030,345,153.84
  5. Step 5: Solve for x
    x = 1,842,030,345,153.84/1,518,854.80
  6. Step 6: Final answer
    x = 1,212,775.80

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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.