Home / 1,120,407.96-1,546,028.46-636,974.04

Finding the Fourth Proportional to 1,120,407.96, 1,546,028.46 and 636,974.04

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Solution

The fourth proportional to 1,120,407.96, 1,546,028.46 and 636,974.04 is: 878,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,407.96 : 1,546,028.46 = 636,974.04 : x
  2. Step 2: Convert to fraction form
    1,120,407.96/1,546,028.46 = 636,974.04/x
  3. Step 3: Cross multiply
    1,120,407.96x = 1,546,028.46 × 636,974.04
  4. Step 4: Simplify right side
    1,120,407.96x = 984,779,994,121.18
  5. Step 5: Solve for x
    x = 984,779,994,121.18/1,120,407.96
  6. Step 6: Final answer
    x = 878,947.70

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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.