Home / 1,168,435.88-1,612,446.37-631,891.88

Finding the Fourth Proportional to 1,168,435.88, 1,612,446.37 and 631,891.88

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Solution

The fourth proportional to 1,168,435.88, 1,612,446.37 and 631,891.88 is: 872,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,435.88 : 1,612,446.37 = 631,891.88 : x
  2. Step 2: Convert to fraction form
    1,168,435.88/1,612,446.37 = 631,891.88/x
  3. Step 3: Cross multiply
    1,168,435.88x = 1,612,446.37 × 631,891.88
  4. Step 4: Simplify right side
    1,168,435.88x = 1,018,891,758,496.51
  5. Step 5: Solve for x
    x = 1,018,891,758,496.51/1,168,435.88
  6. Step 6: Final answer
    x = 872,013.42

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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.