Home / 1,628,010.80-2,442,016.20-831,748.40

Finding the Fourth Proportional to 1,628,010.80, 2,442,016.20 and 831,748.40

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Solution

The fourth proportional to 1,628,010.80, 2,442,016.20 and 831,748.40 is: 1,247,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,010.80 : 2,442,016.20 = 831,748.40 : x
  2. Step 2: Convert to fraction form
    1,628,010.80/2,442,016.20 = 831,748.40/x
  3. Step 3: Cross multiply
    1,628,010.80x = 2,442,016.20 × 831,748.40
  4. Step 4: Simplify right side
    1,628,010.80x = 2,031,143,067,124.08
  5. Step 5: Solve for x
    x = 2,031,143,067,124.08/1,628,010.80
  6. Step 6: Final answer
    x = 1,247,622.60

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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.