Home / 1,375,649.28-2,050,916.25-1,340,689.41

Finding the Fourth Proportional to 1,375,649.28, 2,050,916.25 and 1,340,689.41

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Solution

The fourth proportional to 1,375,649.28, 2,050,916.25 and 1,340,689.41 is: 1,998,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,649.28 : 2,050,916.25 = 1,340,689.41 : x
  2. Step 2: Convert to fraction form
    1,375,649.28/2,050,916.25 = 1,340,689.41/x
  3. Step 3: Cross multiply
    1,375,649.28x = 2,050,916.25 × 1,340,689.41
  4. Step 4: Simplify right side
    1,375,649.28x = 2,749,641,697,171.91
  5. Step 5: Solve for x
    x = 2,749,641,697,171.91/1,375,649.28
  6. Step 6: Final answer
    x = 1,998,795.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.