Home / 1,350,548.10-1,863,917.19-777,699.90

Finding the Fourth Proportional to 1,350,548.10, 1,863,917.19 and 777,699.90

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Solution

The fourth proportional to 1,350,548.10, 1,863,917.19 and 777,699.90 is: 1,073,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,548.10 : 1,863,917.19 = 777,699.90 : x
  2. Step 2: Convert to fraction form
    1,350,548.10/1,863,917.19 = 777,699.90/x
  3. Step 3: Cross multiply
    1,350,548.10x = 1,863,917.19 × 777,699.90
  4. Step 4: Simplify right side
    1,350,548.10x = 1,449,568,212,271.28
  5. Step 5: Solve for x
    x = 1,449,568,212,271.28/1,350,548.10
  6. Step 6: Final answer
    x = 1,073,318.46

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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.