Home / 1,449,564.87-2,000,441.51-829,470.90

Finding the Fourth Proportional to 1,449,564.87, 2,000,441.51 and 829,470.90

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Solution

The fourth proportional to 1,449,564.87, 2,000,441.51 and 829,470.90 is: 1,144,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,564.87 : 2,000,441.51 = 829,470.90 : x
  2. Step 2: Convert to fraction form
    1,449,564.87/2,000,441.51 = 829,470.90/x
  3. Step 3: Cross multiply
    1,449,564.87x = 2,000,441.51 × 829,470.90
  4. Step 4: Simplify right side
    1,449,564.87x = 1,659,308,019,697.06
  5. Step 5: Solve for x
    x = 1,659,308,019,697.06/1,449,564.87
  6. Step 6: Final answer
    x = 1,144,693.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.