Home / 1,338,619.48-2,008,727.08-485,757.68

Finding the Fourth Proportional to 1,338,619.48, 2,008,727.08 and 485,757.68

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Solution

The fourth proportional to 1,338,619.48, 2,008,727.08 and 485,757.68 is: 728,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,619.48 : 2,008,727.08 = 485,757.68 : x
  2. Step 2: Convert to fraction form
    1,338,619.48/2,008,727.08 = 485,757.68/x
  3. Step 3: Cross multiply
    1,338,619.48x = 2,008,727.08 × 485,757.68
  4. Step 4: Simplify right side
    1,338,619.48x = 975,754,606,133.97
  5. Step 5: Solve for x
    x = 975,754,606,133.97/1,338,619.48
  6. Step 6: Final answer
    x = 728,926.05

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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.