Home / 1,350,314.55-1,863,610.34-777,378.87

Finding the Fourth Proportional to 1,350,314.55, 1,863,610.34 and 777,378.87

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Solution

The fourth proportional to 1,350,314.55, 1,863,610.34 and 777,378.87 is: 1,072,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,314.55 : 1,863,610.34 = 777,378.87 : x
  2. Step 2: Convert to fraction form
    1,350,314.55/1,863,610.34 = 777,378.87/x
  3. Step 3: Cross multiply
    1,350,314.55x = 1,863,610.34 × 777,378.87
  4. Step 4: Simplify right side
    1,350,314.55x = 1,448,731,296,342.62
  5. Step 5: Solve for x
    x = 1,448,731,296,342.62/1,350,314.55
  6. Step 6: Final answer
    x = 1,072,884.31

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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.