Home / 1,245,632.70-1,868,449.05-996,800.70

Finding the Fourth Proportional to 1,245,632.70, 1,868,449.05 and 996,800.70

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Solution

The fourth proportional to 1,245,632.70, 1,868,449.05 and 996,800.70 is: 1,495,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,632.70 : 1,868,449.05 = 996,800.70 : x
  2. Step 2: Convert to fraction form
    1,245,632.70/1,868,449.05 = 996,800.70/x
  3. Step 3: Cross multiply
    1,245,632.70x = 1,868,449.05 × 996,800.70
  4. Step 4: Simplify right side
    1,245,632.70x = 1,862,471,320,954.34
  5. Step 5: Solve for x
    x = 1,862,471,320,954.34/1,245,632.70
  6. Step 6: Final answer
    x = 1,495,201.05

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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.