Home / 1,268,788.74-1,903,926.69-510,512.10

Finding the Fourth Proportional to 1,268,788.74, 1,903,926.69 and 510,512.10

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Solution

The fourth proportional to 1,268,788.74, 1,903,926.69 and 510,512.10 is: 766,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,788.74 : 1,903,926.69 = 510,512.10 : x
  2. Step 2: Convert to fraction form
    1,268,788.74/1,903,926.69 = 510,512.10/x
  3. Step 3: Cross multiply
    1,268,788.74x = 1,903,926.69 × 510,512.10
  4. Step 4: Simplify right side
    1,268,788.74x = 971,977,612,757.95
  5. Step 5: Solve for x
    x = 971,977,612,757.95/1,268,788.74
  6. Step 6: Final answer
    x = 766,067.34

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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.