Home / 1,560,019.60-2,340,029.40-851,431.60

Finding the Fourth Proportional to 1,560,019.60, 2,340,029.40 and 851,431.60

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Solution

The fourth proportional to 1,560,019.60, 2,340,029.40 and 851,431.60 is: 1,277,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,019.60 : 2,340,029.40 = 851,431.60 : x
  2. Step 2: Convert to fraction form
    1,560,019.60/2,340,029.40 = 851,431.60/x
  3. Step 3: Cross multiply
    1,560,019.60x = 2,340,029.40 × 851,431.60
  4. Step 4: Simplify right side
    1,560,019.60x = 1,992,374,976,089.04
  5. Step 5: Solve for x
    x = 1,992,374,976,089.04/1,560,019.60
  6. Step 6: Final answer
    x = 1,277,147.40

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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.