Home / 1,168,436.88-1,612,447.75-631,892.88

Finding the Fourth Proportional to 1,168,436.88, 1,612,447.75 and 631,892.88

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Solution

The fourth proportional to 1,168,436.88, 1,612,447.75 and 631,892.88 is: 872,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,436.88 : 1,612,447.75 = 631,892.88 : x
  2. Step 2: Convert to fraction form
    1,168,436.88/1,612,447.75 = 631,892.88/x
  3. Step 3: Cross multiply
    1,168,436.88x = 1,612,447.75 × 631,892.88
  4. Step 4: Simplify right side
    1,168,436.88x = 1,018,894,252,597.02
  5. Step 5: Solve for x
    x = 1,018,894,252,597.02/1,168,436.88
  6. Step 6: Final answer
    x = 872,014.80

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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.