Home / 1,809,308.80-2,713,963.20-864,524.80

Finding the Fourth Proportional to 1,809,308.80, 2,713,963.20 and 864,524.80

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Solution

The fourth proportional to 1,809,308.80, 2,713,963.20 and 864,524.80 is: 1,296,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,308.80 : 2,713,963.20 = 864,524.80 : x
  2. Step 2: Convert to fraction form
    1,809,308.80/2,713,963.20 = 864,524.80/x
  3. Step 3: Cross multiply
    1,809,308.80x = 2,713,963.20 × 864,524.80
  4. Step 4: Simplify right side
    1,809,308.80x = 2,346,288,492,687.36
  5. Step 5: Solve for x
    x = 2,346,288,492,687.36/1,809,308.80
  6. Step 6: Final answer
    x = 1,296,787.20

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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.