Home / 1,445,382.15-1,994,643.42-800,812.50

Finding the Fourth Proportional to 1,445,382.15, 1,994,643.42 and 800,812.50

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Solution

The fourth proportional to 1,445,382.15, 1,994,643.42 and 800,812.50 is: 1,105,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,382.15 : 1,994,643.42 = 800,812.50 : x
  2. Step 2: Convert to fraction form
    1,445,382.15/1,994,643.42 = 800,812.50/x
  3. Step 3: Cross multiply
    1,445,382.15x = 1,994,643.42 × 800,812.50
  4. Step 4: Simplify right side
    1,445,382.15x = 1,597,335,383,778.75
  5. Step 5: Solve for x
    x = 1,597,335,383,778.75/1,445,382.15
  6. Step 6: Final answer
    x = 1,105,130.14

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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.