Home / 1,153,119.21-1,729,684.96-756,273.05

Finding the Fourth Proportional to 1,153,119.21, 1,729,684.96 and 756,273.05

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Solution

The fourth proportional to 1,153,119.21, 1,729,684.96 and 756,273.05 is: 1,134,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,119.21 : 1,729,684.96 = 756,273.05 : x
  2. Step 2: Convert to fraction form
    1,153,119.21/1,729,684.96 = 756,273.05/x
  3. Step 3: Cross multiply
    1,153,119.21x = 1,729,684.96 × 756,273.05
  4. Step 4: Simplify right side
    1,153,119.21x = 1,308,114,111,589.90
  5. Step 5: Solve for x
    x = 1,308,114,111,589.90/1,153,119.21
  6. Step 6: Final answer
    x = 1,134,413.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.