Home / 1,259,591.79-1,889,387.73-418,143.54

Finding the Fourth Proportional to 1,259,591.79, 1,889,387.73 and 418,143.54

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Solution

The fourth proportional to 1,259,591.79, 1,889,387.73 and 418,143.54 is: 627,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,591.79 : 1,889,387.73 = 418,143.54 : x
  2. Step 2: Convert to fraction form
    1,259,591.79/1,889,387.73 = 418,143.54/x
  3. Step 3: Cross multiply
    1,259,591.79x = 1,889,387.73 × 418,143.54
  4. Step 4: Simplify right side
    1,259,591.79x = 790,035,273,854.76
  5. Step 5: Solve for x
    x = 790,035,273,854.76/1,259,591.79
  6. Step 6: Final answer
    x = 627,215.32

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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.