Home / 1,349,845.44-1,863,255.81-777,113.88

Finding the Fourth Proportional to 1,349,845.44, 1,863,255.81 and 777,113.88

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Solution

The fourth proportional to 1,349,845.44, 1,863,255.81 and 777,113.88 is: 1,072,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,845.44 : 1,863,255.81 = 777,113.88 : x
  2. Step 2: Convert to fraction form
    1,349,845.44/1,863,255.81 = 777,113.88/x
  3. Step 3: Cross multiply
    1,349,845.44x = 1,863,255.81 × 777,113.88
  4. Step 4: Simplify right side
    1,349,845.44x = 1,447,961,951,941.64
  5. Step 5: Solve for x
    x = 1,447,961,951,941.64/1,349,845.44
  6. Step 6: Final answer
    x = 1,072,687.22

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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.