Home / 1,018,742.88-1,528,112.40-270,788.88

Finding the Fourth Proportional to 1,018,742.88, 1,528,112.40 and 270,788.88

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Solution

The fourth proportional to 1,018,742.88, 1,528,112.40 and 270,788.88 is: 406,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,742.88 : 1,528,112.40 = 270,788.88 : x
  2. Step 2: Convert to fraction form
    1,018,742.88/1,528,112.40 = 270,788.88/x
  3. Step 3: Cross multiply
    1,018,742.88x = 1,528,112.40 × 270,788.88
  4. Step 4: Simplify right side
    1,018,742.88x = 413,795,845,310.11
  5. Step 5: Solve for x
    x = 413,795,845,310.11/1,018,742.88
  6. Step 6: Final answer
    x = 406,182.81

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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.