Home / 845,142.44-1,264,855.98-822,397.64

Finding the Fourth Proportional to 845,142.44, 1,264,855.98 and 822,397.64

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Solution

The fourth proportional to 845,142.44, 1,264,855.98 and 822,397.64 is: 1,230,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,142.44 : 1,264,855.98 = 822,397.64 : x
  2. Step 2: Convert to fraction form
    845,142.44/1,264,855.98 = 822,397.64/x
  3. Step 3: Cross multiply
    845,142.44x = 1,264,855.98 × 822,397.64
  4. Step 4: Simplify right side
    845,142.44x = 1,040,214,572,891.89
  5. Step 5: Solve for x
    x = 1,040,214,572,891.89/845,142.44
  6. Step 6: Final answer
    x = 1,230,815.69

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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.