Home / 1,177,620.40-1,764,616.20-876,689.20

Finding the Fourth Proportional to 1,177,620.40, 1,764,616.20 and 876,689.20

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Solution

The fourth proportional to 1,177,620.40, 1,764,616.20 and 876,689.20 is: 1,313,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,620.40 : 1,764,616.20 = 876,689.20 : x
  2. Step 2: Convert to fraction form
    1,177,620.40/1,764,616.20 = 876,689.20/x
  3. Step 3: Cross multiply
    1,177,620.40x = 1,764,616.20 × 876,689.20
  4. Step 4: Simplify right side
    1,177,620.40x = 1,547,019,964,685.04
  5. Step 5: Solve for x
    x = 1,547,019,964,685.04/1,177,620.40
  6. Step 6: Final answer
    x = 1,313,683.05

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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.