Home / 1,384,821-2,077,231.50-387,549

Finding the Fourth Proportional to 1,384,821, 2,077,231.50 and 387,549

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Solution

The fourth proportional to 1,384,821, 2,077,231.50 and 387,549 is: 581,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,821 : 2,077,231.50 = 387,549 : x
  2. Step 2: Convert to fraction form
    1,384,821/2,077,231.50 = 387,549/x
  3. Step 3: Cross multiply
    1,384,821x = 2,077,231.50 × 387,549
  4. Step 4: Simplify right side
    1,384,821x = 805,028,990,593.50
  5. Step 5: Solve for x
    x = 805,028,990,593.50/1,384,821
  6. Step 6: Final answer
    x = 581,323.50

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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.