Home / 1,252,965.28-1,879,431.12-306,344.16

Finding the Fourth Proportional to 1,252,965.28, 1,879,431.12 and 306,344.16

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Solution

The fourth proportional to 1,252,965.28, 1,879,431.12 and 306,344.16 is: 459,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,965.28 : 1,879,431.12 = 306,344.16 : x
  2. Step 2: Convert to fraction form
    1,252,965.28/1,879,431.12 = 306,344.16/x
  3. Step 3: Cross multiply
    1,252,965.28x = 1,879,431.12 × 306,344.16
  4. Step 4: Simplify right side
    1,252,965.28x = 575,752,747,734.26
  5. Step 5: Solve for x
    x = 575,752,747,734.26/1,252,965.28
  6. Step 6: Final answer
    x = 459,512.13

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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.