Home / 1,365,290.88-2,047,859.76-418,659

Finding the Fourth Proportional to 1,365,290.88, 2,047,859.76 and 418,659

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Solution

The fourth proportional to 1,365,290.88, 2,047,859.76 and 418,659 is: 627,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,290.88 : 2,047,859.76 = 418,659 : x
  2. Step 2: Convert to fraction form
    1,365,290.88/2,047,859.76 = 418,659/x
  3. Step 3: Cross multiply
    1,365,290.88x = 2,047,859.76 × 418,659
  4. Step 4: Simplify right side
    1,365,290.88x = 857,354,919,261.84
  5. Step 5: Solve for x
    x = 857,354,919,261.84/1,365,290.88
  6. Step 6: Final answer
    x = 627,965.02

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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.