Home / 1,146,868.25-1,719,638.17-388,455.53

Finding the Fourth Proportional to 1,146,868.25, 1,719,638.17 and 388,455.53

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Solution

The fourth proportional to 1,146,868.25, 1,719,638.17 and 388,455.53 is: 582,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,868.25 : 1,719,638.17 = 388,455.53 : x
  2. Step 2: Convert to fraction form
    1,146,868.25/1,719,638.17 = 388,455.53/x
  3. Step 3: Cross multiply
    1,146,868.25x = 1,719,638.17 × 388,455.53
  4. Step 4: Simplify right side
    1,146,868.25x = 668,002,947,166.25
  5. Step 5: Solve for x
    x = 668,002,947,166.25/1,146,868.25
  6. Step 6: Final answer
    x = 582,458.32

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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.