Home / 1,247,761.80-1,868,532.30-998,929.80

Finding the Fourth Proportional to 1,247,761.80, 1,868,532.30 and 998,929.80

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Solution

The fourth proportional to 1,247,761.80, 1,868,532.30 and 998,929.80 is: 1,495,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,761.80 : 1,868,532.30 = 998,929.80 : x
  2. Step 2: Convert to fraction form
    1,247,761.80/1,868,532.30 = 998,929.80/x
  3. Step 3: Cross multiply
    1,247,761.80x = 1,868,532.30 × 998,929.80
  4. Step 4: Simplify right side
    1,247,761.80x = 1,866,532,596,732.54
  5. Step 5: Solve for x
    x = 1,866,532,596,732.54/1,247,761.80
  6. Step 6: Final answer
    x = 1,495,904.58

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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.