Home / 1,340,388.28-2,010,581.14-343,114.68

Finding the Fourth Proportional to 1,340,388.28, 2,010,581.14 and 343,114.68

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Solution

The fourth proportional to 1,340,388.28, 2,010,581.14 and 343,114.68 is: 514,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,388.28 : 2,010,581.14 = 343,114.68 : x
  2. Step 2: Convert to fraction form
    1,340,388.28/2,010,581.14 = 343,114.68/x
  3. Step 3: Cross multiply
    1,340,388.28x = 2,010,581.14 × 343,114.68
  4. Step 4: Simplify right side
    1,340,388.28x = 689,859,904,465.14
  5. Step 5: Solve for x
    x = 689,859,904,465.14/1,340,388.28
  6. Step 6: Final answer
    x = 514,671.69

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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.