Home / 1,485,782.70-2,050,388.31-806,719.20

Finding the Fourth Proportional to 1,485,782.70, 2,050,388.31 and 806,719.20

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Solution

The fourth proportional to 1,485,782.70, 2,050,388.31 and 806,719.20 is: 1,113,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,782.70 : 2,050,388.31 = 806,719.20 : x
  2. Step 2: Convert to fraction form
    1,485,782.70/2,050,388.31 = 806,719.20/x
  3. Step 3: Cross multiply
    1,485,782.70x = 2,050,388.31 × 806,719.20
  4. Step 4: Simplify right side
    1,485,782.70x = 1,654,087,617,132.55
  5. Step 5: Solve for x
    x = 1,654,087,617,132.55/1,485,782.70
  6. Step 6: Final answer
    x = 1,113,276.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.