Home / 1,672,242.30-2,308,062.60-1,099,335.78

Finding the Fourth Proportional to 1,672,242.30, 2,308,062.60 and 1,099,335.78

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Solution

The fourth proportional to 1,672,242.30, 2,308,062.60 and 1,099,335.78 is: 1,517,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,242.30 : 2,308,062.60 = 1,099,335.78 : x
  2. Step 2: Convert to fraction form
    1,672,242.30/2,308,062.60 = 1,099,335.78/x
  3. Step 3: Cross multiply
    1,672,242.30x = 2,308,062.60 × 1,099,335.78
  4. Step 4: Simplify right side
    1,672,242.30x = 2,537,335,798,659.83
  5. Step 5: Solve for x
    x = 2,537,335,798,659.83/1,672,242.30
  6. Step 6: Final answer
    x = 1,517,325.45

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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.