Home / 1,259,843.60-1,889,765.40-976,408.40

Finding the Fourth Proportional to 1,259,843.60, 1,889,765.40 and 976,408.40

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Solution

The fourth proportional to 1,259,843.60, 1,889,765.40 and 976,408.40 is: 1,464,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,843.60 : 1,889,765.40 = 976,408.40 : x
  2. Step 2: Convert to fraction form
    1,259,843.60/1,889,765.40 = 976,408.40/x
  3. Step 3: Cross multiply
    1,259,843.60x = 1,889,765.40 × 976,408.40
  4. Step 4: Simplify right side
    1,259,843.60x = 1,845,182,810,589.36
  5. Step 5: Solve for x
    x = 1,845,182,810,589.36/1,259,843.60
  6. Step 6: Final answer
    x = 1,464,612.60

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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.