Home / 1,105,308.58-1,525,315.05-615,270.32

Finding the Fourth Proportional to 1,105,308.58, 1,525,315.05 and 615,270.32

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Solution

The fourth proportional to 1,105,308.58, 1,525,315.05 and 615,270.32 is: 849,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,308.58 : 1,525,315.05 = 615,270.32 : x
  2. Step 2: Convert to fraction form
    1,105,308.58/1,525,315.05 = 615,270.32/x
  3. Step 3: Cross multiply
    1,105,308.58x = 1,525,315.05 × 615,270.32
  4. Step 4: Simplify right side
    1,105,308.58x = 938,481,082,727.60
  5. Step 5: Solve for x
    x = 938,481,082,727.60/1,105,308.58
  6. Step 6: Final answer
    x = 849,067.04

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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.