Home / 1,375,470.40-2,064,080.40-806,850.40

Finding the Fourth Proportional to 1,375,470.40, 2,064,080.40 and 806,850.40

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Solution

The fourth proportional to 1,375,470.40, 2,064,080.40 and 806,850.40 is: 1,210,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,470.40 : 2,064,080.40 = 806,850.40 : x
  2. Step 2: Convert to fraction form
    1,375,470.40/2,064,080.40 = 806,850.40/x
  3. Step 3: Cross multiply
    1,375,470.40x = 2,064,080.40 × 806,850.40
  4. Step 4: Simplify right side
    1,375,470.40x = 1,665,404,096,372.16
  5. Step 5: Solve for x
    x = 1,665,404,096,372.16/1,375,470.40
  6. Step 6: Final answer
    x = 1,210,788.76

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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.