Home / 976,135.68-1,343,001.60-860,912.64

Finding the Fourth Proportional to 976,135.68, 1,343,001.60 and 860,912.64

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Solution

The fourth proportional to 976,135.68, 1,343,001.60 and 860,912.64 is: 1,184,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,135.68 : 1,343,001.60 = 860,912.64 : x
  2. Step 2: Convert to fraction form
    976,135.68/1,343,001.60 = 860,912.64/x
  3. Step 3: Cross multiply
    976,135.68x = 1,343,001.60 × 860,912.64
  4. Step 4: Simplify right side
    976,135.68x = 1,156,207,052,980.22
  5. Step 5: Solve for x
    x = 1,156,207,052,980.22/976,135.68
  6. Step 6: Final answer
    x = 1,184,473.71

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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.