Home / 1,449,268.20-2,172,758.96-915,664.50

Finding the Fourth Proportional to 1,449,268.20, 2,172,758.96 and 915,664.50

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Solution

The fourth proportional to 1,449,268.20, 2,172,758.96 and 915,664.50 is: 1,372,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,268.20 : 2,172,758.96 = 915,664.50 : x
  2. Step 2: Convert to fraction form
    1,449,268.20/2,172,758.96 = 915,664.50/x
  3. Step 3: Cross multiply
    1,449,268.20x = 2,172,758.96 × 915,664.50
  4. Step 4: Simplify right side
    1,449,268.20x = 1,989,518,246,728.92
  5. Step 5: Solve for x
    x = 1,989,518,246,728.92/1,449,268.20
  6. Step 6: Final answer
    x = 1,372,774.37

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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.