Home / 1,047,175.47-1,445,273.64-872,468.73

Finding the Fourth Proportional to 1,047,175.47, 1,445,273.64 and 872,468.73

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Solution

The fourth proportional to 1,047,175.47, 1,445,273.64 and 872,468.73 is: 1,204,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,175.47 : 1,445,273.64 = 872,468.73 : x
  2. Step 2: Convert to fraction form
    1,047,175.47/1,445,273.64 = 872,468.73/x
  3. Step 3: Cross multiply
    1,047,175.47x = 1,445,273.64 × 872,468.73
  4. Step 4: Simplify right side
    1,047,175.47x = 1,260,956,057,193.28
  5. Step 5: Solve for x
    x = 1,260,956,057,193.28/1,047,175.47
  6. Step 6: Final answer
    x = 1,204,149.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.