Home / 845,745.11-1,165,999.18-671,892.17

Finding the Fourth Proportional to 845,745.11, 1,165,999.18 and 671,892.17

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Solution

The fourth proportional to 845,745.11, 1,165,999.18 and 671,892.17 is: 926,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,745.11 : 1,165,999.18 = 671,892.17 : x
  2. Step 2: Convert to fraction form
    845,745.11/1,165,999.18 = 671,892.17/x
  3. Step 3: Cross multiply
    845,745.11x = 1,165,999.18 × 671,892.17
  4. Step 4: Simplify right side
    845,745.11x = 783,425,719,268.42
  5. Step 5: Solve for x
    x = 783,425,719,268.42/845,745.11
  6. Step 6: Final answer
    x = 926,314.22

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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.