Home / 1,443,341.23-1,991,873.42-798,761.64

Finding the Fourth Proportional to 1,443,341.23, 1,991,873.42 and 798,761.64

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Solution

The fourth proportional to 1,443,341.23, 1,991,873.42 and 798,761.64 is: 1,102,325.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,341.23 : 1,991,873.42 = 798,761.64 : x
  2. Step 2: Convert to fraction form
    1,443,341.23/1,991,873.42 = 798,761.64/x
  3. Step 3: Cross multiply
    1,443,341.23x = 1,991,873.42 × 798,761.64
  4. Step 4: Simplify right side
    1,443,341.23x = 1,591,032,079,631.61
  5. Step 5: Solve for x
    x = 1,591,032,079,631.61/1,443,341.23
  6. Step 6: Final answer
    x = 1,102,325.66

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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.