Home / 1,550,117-2,139,361.92-871,053.56

Finding the Fourth Proportional to 1,550,117, 2,139,361.92 and 871,053.56

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Solution

The fourth proportional to 1,550,117, 2,139,361.92 and 871,053.56 is: 1,202,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,117 : 2,139,361.92 = 871,053.56 : x
  2. Step 2: Convert to fraction form
    1,550,117/2,139,361.92 = 871,053.56/x
  3. Step 3: Cross multiply
    1,550,117x = 2,139,361.92 × 871,053.56
  4. Step 4: Simplify right side
    1,550,117x = 1,863,498,816,544.44
  5. Step 5: Solve for x
    x = 1,863,498,816,544.44/1,550,117
  6. Step 6: Final answer
    x = 1,202,166.56

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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.