Home / 1,321,155.34-1,823,133.34-748,199.60

Finding the Fourth Proportional to 1,321,155.34, 1,823,133.34 and 748,199.60

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Solution

The fourth proportional to 1,321,155.34, 1,823,133.34 and 748,199.60 is: 1,032,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,155.34 : 1,823,133.34 = 748,199.60 : x
  2. Step 2: Convert to fraction form
    1,321,155.34/1,823,133.34 = 748,199.60/x
  3. Step 3: Cross multiply
    1,321,155.34x = 1,823,133.34 × 748,199.60
  4. Step 4: Simplify right side
    1,321,155.34x = 1,364,067,635,734.66
  5. Step 5: Solve for x
    x = 1,364,067,635,734.66/1,321,155.34
  6. Step 6: Final answer
    x = 1,032,480.89

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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.