Home / 1,145,091.53-1,580,764.21-661,563.25

Finding the Fourth Proportional to 1,145,091.53, 1,580,764.21 and 661,563.25

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Solution

The fourth proportional to 1,145,091.53, 1,580,764.21 and 661,563.25 is: 913,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,091.53 : 1,580,764.21 = 661,563.25 : x
  2. Step 2: Convert to fraction form
    1,145,091.53/1,580,764.21 = 661,563.25/x
  3. Step 3: Cross multiply
    1,145,091.53x = 1,580,764.21 × 661,563.25
  4. Step 4: Simplify right side
    1,145,091.53x = 1,045,775,502,645.46
  5. Step 5: Solve for x
    x = 1,045,775,502,645.46/1,145,091.53
  6. Step 6: Final answer
    x = 913,268.04

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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.