Home / 1,129,868.06-1,694,801.55-288,419.54

Finding the Fourth Proportional to 1,129,868.06, 1,694,801.55 and 288,419.54

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Solution

The fourth proportional to 1,129,868.06, 1,694,801.55 and 288,419.54 is: 432,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,868.06 : 1,694,801.55 = 288,419.54 : x
  2. Step 2: Convert to fraction form
    1,129,868.06/1,694,801.55 = 288,419.54/x
  3. Step 3: Cross multiply
    1,129,868.06x = 1,694,801.55 × 288,419.54
  4. Step 4: Simplify right side
    1,129,868.06x = 488,813,883,442.29
  5. Step 5: Solve for x
    x = 488,813,883,442.29/1,129,868.06
  6. Step 6: Final answer
    x = 432,629.17

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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.