Home / 1,321,165.46-1,823,147.32-748,209.76

Finding the Fourth Proportional to 1,321,165.46, 1,823,147.32 and 748,209.76

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Solution

The fourth proportional to 1,321,165.46, 1,823,147.32 and 748,209.76 is: 1,032,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,165.46 : 1,823,147.32 = 748,209.76 : x
  2. Step 2: Convert to fraction form
    1,321,165.46/1,823,147.32 = 748,209.76/x
  3. Step 3: Cross multiply
    1,321,165.46x = 1,823,147.32 × 748,209.76
  4. Step 4: Simplify right side
    1,321,165.46x = 1,364,096,618,741.84
  5. Step 5: Solve for x
    x = 1,364,096,618,741.84/1,321,165.46
  6. Step 6: Final answer
    x = 1,032,494.91

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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.