Home / 1,153,685.88-1,728,115.02-927,825.48

Finding the Fourth Proportional to 1,153,685.88, 1,728,115.02 and 927,825.48

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Solution

The fourth proportional to 1,153,685.88, 1,728,115.02 and 927,825.48 is: 1,389,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,685.88 : 1,728,115.02 = 927,825.48 : x
  2. Step 2: Convert to fraction form
    1,153,685.88/1,728,115.02 = 927,825.48/x
  3. Step 3: Cross multiply
    1,153,685.88x = 1,728,115.02 × 927,825.48
  4. Step 4: Simplify right side
    1,153,685.88x = 1,603,389,147,926.71
  5. Step 5: Solve for x
    x = 1,603,389,147,926.71/1,153,685.88
  6. Step 6: Final answer
    x = 1,389,796.98

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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.