Home / 1,259,587.29-1,889,380.98-418,139.04

Finding the Fourth Proportional to 1,259,587.29, 1,889,380.98 and 418,139.04

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Solution

The fourth proportional to 1,259,587.29, 1,889,380.98 and 418,139.04 is: 627,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,587.29 : 1,889,380.98 = 418,139.04 : x
  2. Step 2: Convert to fraction form
    1,259,587.29/1,889,380.98 = 418,139.04/x
  3. Step 3: Cross multiply
    1,259,587.29x = 1,889,380.98 × 418,139.04
  4. Step 4: Simplify right side
    1,259,587.29x = 790,023,949,171.46
  5. Step 5: Solve for x
    x = 790,023,949,171.46/1,259,587.29
  6. Step 6: Final answer
    x = 627,208.57

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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.