Home / 1,105,308.82-1,525,315.39-615,270.57

Finding the Fourth Proportional to 1,105,308.82, 1,525,315.39 and 615,270.57

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Solution

The fourth proportional to 1,105,308.82, 1,525,315.39 and 615,270.57 is: 849,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,308.82 : 1,525,315.39 = 615,270.57 : x
  2. Step 2: Convert to fraction form
    1,105,308.82/1,525,315.39 = 615,270.57/x
  3. Step 3: Cross multiply
    1,105,308.82x = 1,525,315.39 × 615,270.57
  4. Step 4: Simplify right side
    1,105,308.82x = 938,481,669,435.07
  5. Step 5: Solve for x
    x = 938,481,669,435.07/1,105,308.82
  6. Step 6: Final answer
    x = 849,067.39

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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.