Home / 1,815,072.60-2,722,608.90-618,346.20

Finding the Fourth Proportional to 1,815,072.60, 2,722,608.90 and 618,346.20

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Solution

The fourth proportional to 1,815,072.60, 2,722,608.90 and 618,346.20 is: 927,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,072.60 : 2,722,608.90 = 618,346.20 : x
  2. Step 2: Convert to fraction form
    1,815,072.60/2,722,608.90 = 618,346.20/x
  3. Step 3: Cross multiply
    1,815,072.60x = 2,722,608.90 × 618,346.20
  4. Step 4: Simplify right side
    1,815,072.60x = 1,683,514,867,401.18
  5. Step 5: Solve for x
    x = 1,683,514,867,401.18/1,815,072.60
  6. Step 6: Final answer
    x = 927,519.30

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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.