Home / 1,787,254.80-2,680,363.80-649,885.20

Finding the Fourth Proportional to 1,787,254.80, 2,680,363.80 and 649,885.20

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Solution

The fourth proportional to 1,787,254.80, 2,680,363.80 and 649,885.20 is: 974,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,254.80 : 2,680,363.80 = 649,885.20 : x
  2. Step 2: Convert to fraction form
    1,787,254.80/2,680,363.80 = 649,885.20/x
  3. Step 3: Cross multiply
    1,787,254.80x = 2,680,363.80 × 649,885.20
  4. Step 4: Simplify right side
    1,787,254.80x = 1,741,928,764,235.76
  5. Step 5: Solve for x
    x = 1,741,928,764,235.76/1,787,254.80
  6. Step 6: Final answer
    x = 974,639.30

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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.