Home / 1,340,179.80-2,010,366.90-806,551.80

Finding the Fourth Proportional to 1,340,179.80, 2,010,366.90 and 806,551.80

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Solution

The fourth proportional to 1,340,179.80, 2,010,366.90 and 806,551.80 is: 1,209,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,179.80 : 2,010,366.90 = 806,551.80 : x
  2. Step 2: Convert to fraction form
    1,340,179.80/2,010,366.90 = 806,551.80/x
  3. Step 3: Cross multiply
    1,340,179.80x = 2,010,366.90 × 806,551.80
  4. Step 4: Simplify right side
    1,340,179.80x = 1,621,465,041,855.42
  5. Step 5: Solve for x
    x = 1,621,465,041,855.42/1,340,179.80
  6. Step 6: Final answer
    x = 1,209,886.20

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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.