Home / 1,352,873.28-1,866,065.96-870,049.20

Finding the Fourth Proportional to 1,352,873.28, 1,866,065.96 and 870,049.20

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Solution

The fourth proportional to 1,352,873.28, 1,866,065.96 and 870,049.20 is: 1,200,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,873.28 : 1,866,065.96 = 870,049.20 : x
  2. Step 2: Convert to fraction form
    1,352,873.28/1,866,065.96 = 870,049.20/x
  3. Step 3: Cross multiply
    1,352,873.28x = 1,866,065.96 × 870,049.20
  4. Step 4: Simplify right side
    1,352,873.28x = 1,623,569,195,645.23
  5. Step 5: Solve for x
    x = 1,623,569,195,645.23/1,352,873.28
  6. Step 6: Final answer
    x = 1,200,089.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.