Home / 1,039,366.90-1,557,738.15-505,738.90

Finding the Fourth Proportional to 1,039,366.90, 1,557,738.15 and 505,738.90

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Solution

The fourth proportional to 1,039,366.90, 1,557,738.15 and 505,738.90 is: 757,969.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,366.90 : 1,557,738.15 = 505,738.90 : x
  2. Step 2: Convert to fraction form
    1,039,366.90/1,557,738.15 = 505,738.90/x
  3. Step 3: Cross multiply
    1,039,366.90x = 1,557,738.15 × 505,738.90
  4. Step 4: Simplify right side
    1,039,366.90x = 787,808,778,469.04
  5. Step 5: Solve for x
    x = 787,808,778,469.04/1,039,366.90
  6. Step 6: Final answer
    x = 757,969.85

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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.