Home / 1,365,259.78-2,048,103.51-418,531.78

Finding the Fourth Proportional to 1,365,259.78, 2,048,103.51 and 418,531.78

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Solution

The fourth proportional to 1,365,259.78, 2,048,103.51 and 418,531.78 is: 627,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,259.78 : 2,048,103.51 = 418,531.78 : x
  2. Step 2: Convert to fraction form
    1,365,259.78/2,048,103.51 = 418,531.78/x
  3. Step 3: Cross multiply
    1,365,259.78x = 2,048,103.51 × 418,531.78
  4. Step 4: Simplify right side
    1,365,259.78x = 857,196,407,664.55
  5. Step 5: Solve for x
    x = 857,196,407,664.55/1,365,259.78
  6. Step 6: Final answer
    x = 627,863.22

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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.