Home / 1,908,039.12-2,862,156.72-488,107.52

Finding the Fourth Proportional to 1,908,039.12, 2,862,156.72 and 488,107.52

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Solution

The fourth proportional to 1,908,039.12, 2,862,156.72 and 488,107.52 is: 732,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,039.12 : 2,862,156.72 = 488,107.52 : x
  2. Step 2: Convert to fraction form
    1,908,039.12/2,862,156.72 = 488,107.52/x
  3. Step 3: Cross multiply
    1,908,039.12x = 2,862,156.72 × 488,107.52
  4. Step 4: Simplify right side
    1,908,039.12x = 1,397,040,218,450.53
  5. Step 5: Solve for x
    x = 1,397,040,218,450.53/1,908,039.12
  6. Step 6: Final answer
    x = 732,186.36

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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.