Home / 1,597,940.72-2,205,146.96-872,788.64

Finding the Fourth Proportional to 1,597,940.72, 2,205,146.96 and 872,788.64

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Solution

The fourth proportional to 1,597,940.72, 2,205,146.96 and 872,788.64 is: 1,204,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597,940.72 : 2,205,146.96 = 872,788.64 : x
  2. Step 2: Convert to fraction form
    1,597,940.72/2,205,146.96 = 872,788.64/x
  3. Step 3: Cross multiply
    1,597,940.72x = 2,205,146.96 × 872,788.64
  4. Step 4: Simplify right side
    1,597,940.72x = 1,924,627,216,218.53
  5. Step 5: Solve for x
    x = 1,924,627,216,218.53/1,597,940.72
  6. Step 6: Final answer
    x = 1,204,442.19

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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.