Home / 845,081.25-1,268,888.21-731,579.19

Finding the Fourth Proportional to 845,081.25, 1,268,888.21 and 731,579.19

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Solution

The fourth proportional to 845,081.25, 1,268,888.21 and 731,579.19 is: 1,098,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,081.25 : 1,268,888.21 = 731,579.19 : x
  2. Step 2: Convert to fraction form
    845,081.25/1,268,888.21 = 731,579.19/x
  3. Step 3: Cross multiply
    845,081.25x = 1,268,888.21 × 731,579.19
  4. Step 4: Simplify right side
    845,081.25x = 928,292,208,872.35
  5. Step 5: Solve for x
    x = 928,292,208,872.35/845,081.25
  6. Step 6: Final answer
    x = 1,098,465.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.