Home / 1,386,988.20-2,080,482.30-966,738.60

Finding the Fourth Proportional to 1,386,988.20, 2,080,482.30 and 966,738.60

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Solution

The fourth proportional to 1,386,988.20, 2,080,482.30 and 966,738.60 is: 1,450,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,988.20 : 2,080,482.30 = 966,738.60 : x
  2. Step 2: Convert to fraction form
    1,386,988.20/2,080,482.30 = 966,738.60/x
  3. Step 3: Cross multiply
    1,386,988.20x = 2,080,482.30 × 966,738.60
  4. Step 4: Simplify right side
    1,386,988.20x = 2,011,282,546,026.78
  5. Step 5: Solve for x
    x = 2,011,282,546,026.78/1,386,988.20
  6. Step 6: Final answer
    x = 1,450,107.90

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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.