Home / 1,278,177.06-1,764,040.56-734,311.83

Finding the Fourth Proportional to 1,278,177.06, 1,764,040.56 and 734,311.83

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Solution

The fourth proportional to 1,278,177.06, 1,764,040.56 and 734,311.83 is: 1,013,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,177.06 : 1,764,040.56 = 734,311.83 : x
  2. Step 2: Convert to fraction form
    1,278,177.06/1,764,040.56 = 734,311.83/x
  3. Step 3: Cross multiply
    1,278,177.06x = 1,764,040.56 × 734,311.83
  4. Step 4: Simplify right side
    1,278,177.06x = 1,295,355,851,807.82
  5. Step 5: Solve for x
    x = 1,295,355,851,807.82/1,278,177.06
  6. Step 6: Final answer
    x = 1,013,440.07

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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.