Home / 1,451,991.88-2,178,091.50-387,028.36

Finding the Fourth Proportional to 1,451,991.88, 2,178,091.50 and 387,028.36

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Solution

The fourth proportional to 1,451,991.88, 2,178,091.50 and 387,028.36 is: 580,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,991.88 : 2,178,091.50 = 387,028.36 : x
  2. Step 2: Convert to fraction form
    1,451,991.88/2,178,091.50 = 387,028.36/x
  3. Step 3: Cross multiply
    1,451,991.88x = 2,178,091.50 × 387,028.36
  4. Step 4: Simplify right side
    1,451,991.88x = 842,983,181,174.94
  5. Step 5: Solve for x
    x = 842,983,181,174.94/1,451,991.88
  6. Step 6: Final answer
    x = 580,570.18

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1.5x scale

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.