Home / 1,415,253.86-1,951,770.30-931,640.12

Finding the Fourth Proportional to 1,415,253.86, 1,951,770.30 and 931,640.12

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Solution

The fourth proportional to 1,415,253.86, 1,951,770.30 and 931,640.12 is: 1,284,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,253.86 : 1,951,770.30 = 931,640.12 : x
  2. Step 2: Convert to fraction form
    1,415,253.86/1,951,770.30 = 931,640.12/x
  3. Step 3: Cross multiply
    1,415,253.86x = 1,951,770.30 × 931,640.12
  4. Step 4: Simplify right side
    1,415,253.86x = 1,818,347,516,504.44
  5. Step 5: Solve for x
    x = 1,818,347,516,504.44/1,415,253.86
  6. Step 6: Final answer
    x = 1,284,820.74

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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.