Home / 1,110,637.40-1,665,825.77-311,986.91

Finding the Fourth Proportional to 1,110,637.40, 1,665,825.77 and 311,986.91

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Solution

The fourth proportional to 1,110,637.40, 1,665,825.77 and 311,986.91 is: 467,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,637.40 : 1,665,825.77 = 311,986.91 : x
  2. Step 2: Convert to fraction form
    1,110,637.40/1,665,825.77 = 311,986.91/x
  3. Step 3: Cross multiply
    1,110,637.40x = 1,665,825.77 × 311,986.91
  4. Step 4: Simplify right side
    1,110,637.40x = 519,715,839,525.20
  5. Step 5: Solve for x
    x = 519,715,839,525.20/1,110,637.40
  6. Step 6: Final answer
    x = 467,943.76

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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.