Home / 1,037,139.30-1,555,708.95-827,187.30

Finding the Fourth Proportional to 1,037,139.30, 1,555,708.95 and 827,187.30

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Solution

The fourth proportional to 1,037,139.30, 1,555,708.95 and 827,187.30 is: 1,240,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,139.30 : 1,555,708.95 = 827,187.30 : x
  2. Step 2: Convert to fraction form
    1,037,139.30/1,555,708.95 = 827,187.30/x
  3. Step 3: Cross multiply
    1,037,139.30x = 1,555,708.95 × 827,187.30
  4. Step 4: Simplify right side
    1,037,139.30x = 1,286,862,685,936.34
  5. Step 5: Solve for x
    x = 1,286,862,685,936.34/1,037,139.30
  6. Step 6: Final answer
    x = 1,240,780.95

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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.