Home / 1,888,309.20-2,833,644.81-766,378.20

Finding the Fourth Proportional to 1,888,309.20, 2,833,644.81 and 766,378.20

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Solution

The fourth proportional to 1,888,309.20, 2,833,644.81 and 766,378.20 is: 1,150,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,309.20 : 2,833,644.81 = 766,378.20 : x
  2. Step 2: Convert to fraction form
    1,888,309.20/2,833,644.81 = 766,378.20/x
  3. Step 3: Cross multiply
    1,888,309.20x = 2,833,644.81 × 766,378.20
  4. Step 4: Simplify right side
    1,888,309.20x = 2,171,643,608,927.14
  5. Step 5: Solve for x
    x = 2,171,643,608,927.14/1,888,309.20
  6. Step 6: Final answer
    x = 1,150,046.62

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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.