Home / 1,645,062.90-2,270,171.25-919,902.30

Finding the Fourth Proportional to 1,645,062.90, 2,270,171.25 and 919,902.30

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Solution

The fourth proportional to 1,645,062.90, 2,270,171.25 and 919,902.30 is: 1,269,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,062.90 : 2,270,171.25 = 919,902.30 : x
  2. Step 2: Convert to fraction form
    1,645,062.90/2,270,171.25 = 919,902.30/x
  3. Step 3: Cross multiply
    1,645,062.90x = 2,270,171.25 × 919,902.30
  4. Step 4: Simplify right side
    1,645,062.90x = 2,088,335,754,268.88
  5. Step 5: Solve for x
    x = 2,088,335,754,268.88/1,645,062.90
  6. Step 6: Final answer
    x = 1,269,456.48

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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.