Home / 1,278,451.80-1,764,349.02-734,763.60

Finding the Fourth Proportional to 1,278,451.80, 1,764,349.02 and 734,763.60

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Solution

The fourth proportional to 1,278,451.80, 1,764,349.02 and 734,763.60 is: 1,014,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,451.80 : 1,764,349.02 = 734,763.60 : x
  2. Step 2: Convert to fraction form
    1,278,451.80/1,764,349.02 = 734,763.60/x
  3. Step 3: Cross multiply
    1,278,451.80x = 1,764,349.02 × 734,763.60
  4. Step 4: Simplify right side
    1,278,451.80x = 1,296,379,437,591.67
  5. Step 5: Solve for x
    x = 1,296,379,437,591.67/1,278,451.80
  6. Step 6: Final answer
    x = 1,014,022.93

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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.