Home / 1,007,671.75-1,511,513.10-259,717.75

Finding the Fourth Proportional to 1,007,671.75, 1,511,513.10 and 259,717.75

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Solution

The fourth proportional to 1,007,671.75, 1,511,513.10 and 259,717.75 is: 389,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,671.75 : 1,511,513.10 = 259,717.75 : x
  2. Step 2: Convert to fraction form
    1,007,671.75/1,511,513.10 = 259,717.75/x
  3. Step 3: Cross multiply
    1,007,671.75x = 1,511,513.10 × 259,717.75
  4. Step 4: Simplify right side
    1,007,671.75x = 392,566,781,427.53
  5. Step 5: Solve for x
    x = 392,566,781,427.53/1,007,671.75
  6. Step 6: Final answer
    x = 389,578.04

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1.5x scale

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.