Home / 1,353,080.88-1,866,406.68-870,275.76

Finding the Fourth Proportional to 1,353,080.88, 1,866,406.68 and 870,275.76

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Solution

The fourth proportional to 1,353,080.88, 1,866,406.68 and 870,275.76 is: 1,200,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,080.88 : 1,866,406.68 = 870,275.76 : x
  2. Step 2: Convert to fraction form
    1,353,080.88/1,866,406.68 = 870,275.76/x
  3. Step 3: Cross multiply
    1,353,080.88x = 1,866,406.68 × 870,275.76
  4. Step 4: Simplify right side
    1,353,080.88x = 1,624,288,491,906.08
  5. Step 5: Solve for x
    x = 1,624,288,491,906.08/1,353,080.88
  6. Step 6: Final answer
    x = 1,200,437.10

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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.