Home / 1,378,741.15-2,065,999.24-927,793.63

Finding the Fourth Proportional to 1,378,741.15, 2,065,999.24 and 927,793.63

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Solution

The fourth proportional to 1,378,741.15, 2,065,999.24 and 927,793.63 is: 1,390,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,741.15 : 2,065,999.24 = 927,793.63 : x
  2. Step 2: Convert to fraction form
    1,378,741.15/2,065,999.24 = 927,793.63/x
  3. Step 3: Cross multiply
    1,378,741.15x = 2,065,999.24 × 927,793.63
  4. Step 4: Simplify right side
    1,378,741.15x = 1,916,820,919,487.88
  5. Step 5: Solve for x
    x = 1,916,820,919,487.88/1,378,741.15
  6. Step 6: Final answer
    x = 1,390,268.89

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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.