Home / 1,087,274.59-1,500,948.92-628,299.52

Finding the Fourth Proportional to 1,087,274.59, 1,500,948.92 and 628,299.52

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Solution

The fourth proportional to 1,087,274.59, 1,500,948.92 and 628,299.52 is: 867,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,274.59 : 1,500,948.92 = 628,299.52 : x
  2. Step 2: Convert to fraction form
    1,087,274.59/1,500,948.92 = 628,299.52/x
  3. Step 3: Cross multiply
    1,087,274.59x = 1,500,948.92 × 628,299.52
  4. Step 4: Simplify right side
    1,087,274.59x = 943,045,485,980.52
  5. Step 5: Solve for x
    x = 943,045,485,980.52/1,087,274.59
  6. Step 6: Final answer
    x = 867,348.04

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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.