Home / 1,350,336.70-1,863,693.80-777,708.42

Finding the Fourth Proportional to 1,350,336.70, 1,863,693.80 and 777,708.42

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Solution

The fourth proportional to 1,350,336.70, 1,863,693.80 and 777,708.42 is: 1,073,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,336.70 : 1,863,693.80 = 777,708.42 : x
  2. Step 2: Convert to fraction form
    1,350,336.70/1,863,693.80 = 777,708.42/x
  3. Step 3: Cross multiply
    1,350,336.70x = 1,863,693.80 × 777,708.42
  4. Step 4: Simplify right side
    1,350,336.70x = 1,449,410,360,561.80
  5. Step 5: Solve for x
    x = 1,449,410,360,561.80/1,350,336.70
  6. Step 6: Final answer
    x = 1,073,369.60

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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.