Home / 1,340,906.30-2,011,359.45-774,035.90

Finding the Fourth Proportional to 1,340,906.30, 2,011,359.45 and 774,035.90

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Solution

The fourth proportional to 1,340,906.30, 2,011,359.45 and 774,035.90 is: 1,161,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,906.30 : 2,011,359.45 = 774,035.90 : x
  2. Step 2: Convert to fraction form
    1,340,906.30/2,011,359.45 = 774,035.90/x
  3. Step 3: Cross multiply
    1,340,906.30x = 2,011,359.45 × 774,035.90
  4. Step 4: Simplify right side
    1,340,906.30x = 1,556,864,422,104.26
  5. Step 5: Solve for x
    x = 1,556,864,422,104.26/1,340,906.30
  6. Step 6: Final answer
    x = 1,161,053.85

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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.