Home / 1,815,143.90-2,722,452.12-535,688.96

Finding the Fourth Proportional to 1,815,143.90, 2,722,452.12 and 535,688.96

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Solution

The fourth proportional to 1,815,143.90, 2,722,452.12 and 535,688.96 is: 803,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,143.90 : 2,722,452.12 = 535,688.96 : x
  2. Step 2: Convert to fraction form
    1,815,143.90/2,722,452.12 = 535,688.96/x
  3. Step 3: Cross multiply
    1,815,143.90x = 2,722,452.12 × 535,688.96
  4. Step 4: Simplify right side
    1,815,143.90x = 1,458,387,531,200.33
  5. Step 5: Solve for x
    x = 1,458,387,531,200.33/1,815,143.90
  6. Step 6: Final answer
    x = 803,455.60

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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.