Home / 1,427,821.60-2,141,739.69-481,200.52

Finding the Fourth Proportional to 1,427,821.60, 2,141,739.69 and 481,200.52

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Solution

The fourth proportional to 1,427,821.60, 2,141,739.69 and 481,200.52 is: 721,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,821.60 : 2,141,739.69 = 481,200.52 : x
  2. Step 2: Convert to fraction form
    1,427,821.60/2,141,739.69 = 481,200.52/x
  3. Step 3: Cross multiply
    1,427,821.60x = 2,141,739.69 × 481,200.52
  4. Step 4: Simplify right side
    1,427,821.60x = 1,030,606,245,975.29
  5. Step 5: Solve for x
    x = 1,030,606,245,975.29/1,427,821.60
  6. Step 6: Final answer
    x = 721,803.23

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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.