Home / 1,403,686.97-2,105,530.66-338,729.03

Finding the Fourth Proportional to 1,403,686.97, 2,105,530.66 and 338,729.03

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Solution

The fourth proportional to 1,403,686.97, 2,105,530.66 and 338,729.03 is: 508,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,686.97 : 2,105,530.66 = 338,729.03 : x
  2. Step 2: Convert to fraction form
    1,403,686.97/2,105,530.66 = 338,729.03/x
  3. Step 3: Cross multiply
    1,403,686.97x = 2,105,530.66 × 338,729.03
  4. Step 4: Simplify right side
    1,403,686.97x = 713,204,359,201.31
  5. Step 5: Solve for x
    x = 713,204,359,201.31/1,403,686.97
  6. Step 6: Final answer
    x = 508,093.59

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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.