Home / 1,354,460.13-1,869,393.06-1,028,851.47

Finding the Fourth Proportional to 1,354,460.13, 1,869,393.06 and 1,028,851.47

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Solution

The fourth proportional to 1,354,460.13, 1,869,393.06 and 1,028,851.47 is: 1,419,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,460.13 : 1,869,393.06 = 1,028,851.47 : x
  2. Step 2: Convert to fraction form
    1,354,460.13/1,869,393.06 = 1,028,851.47/x
  3. Step 3: Cross multiply
    1,354,460.13x = 1,869,393.06 × 1,028,851.47
  4. Step 4: Simplify right side
    1,354,460.13x = 1,923,327,797,788.80
  5. Step 5: Solve for x
    x = 1,923,327,797,788.80/1,354,460.13
  6. Step 6: Final answer
    x = 1,419,995.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.