Home / 1,450,084.80-2,172,502.80-1,240,132.80

Finding the Fourth Proportional to 1,450,084.80, 2,172,502.80 and 1,240,132.80

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Solution

The fourth proportional to 1,450,084.80, 2,172,502.80 and 1,240,132.80 is: 1,857,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,084.80 : 2,172,502.80 = 1,240,132.80 : x
  2. Step 2: Convert to fraction form
    1,450,084.80/2,172,502.80 = 1,240,132.80/x
  3. Step 3: Cross multiply
    1,450,084.80x = 2,172,502.80 × 1,240,132.80
  4. Step 4: Simplify right side
    1,450,084.80x = 2,694,191,980,371.84
  5. Step 5: Solve for x
    x = 2,694,191,980,371.84/1,450,084.80
  6. Step 6: Final answer
    x = 1,857,954.78

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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.