Home / 1,259,862.60-1,889,793.90-418,414.35

Finding the Fourth Proportional to 1,259,862.60, 1,889,793.90 and 418,414.35

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Solution

The fourth proportional to 1,259,862.60, 1,889,793.90 and 418,414.35 is: 627,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,862.60 : 1,889,793.90 = 418,414.35 : x
  2. Step 2: Convert to fraction form
    1,259,862.60/1,889,793.90 = 418,414.35/x
  3. Step 3: Cross multiply
    1,259,862.60x = 1,889,793.90 × 418,414.35
  4. Step 4: Simplify right side
    1,259,862.60x = 790,716,886,302.47
  5. Step 5: Solve for x
    x = 790,716,886,302.47/1,259,862.60
  6. Step 6: Final answer
    x = 627,621.53

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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.