Home / 974,119.40-1,461,179.10-820,154.60

Finding the Fourth Proportional to 974,119.40, 1,461,179.10 and 820,154.60

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Solution

The fourth proportional to 974,119.40, 1,461,179.10 and 820,154.60 is: 1,230,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,119.40 : 1,461,179.10 = 820,154.60 : x
  2. Step 2: Convert to fraction form
    974,119.40/1,461,179.10 = 820,154.60/x
  3. Step 3: Cross multiply
    974,119.40x = 1,461,179.10 × 820,154.60
  4. Step 4: Simplify right side
    974,119.40x = 1,198,392,760,288.86
  5. Step 5: Solve for x
    x = 1,198,392,760,288.86/974,119.40
  6. Step 6: Final answer
    x = 1,230,231.90

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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.