Home / 1,168,525-1,612,564.50-631,981

Finding the Fourth Proportional to 1,168,525, 1,612,564.50 and 631,981

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Solution

The fourth proportional to 1,168,525, 1,612,564.50 and 631,981 is: 872,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,525 : 1,612,564.50 = 631,981 : x
  2. Step 2: Convert to fraction form
    1,168,525/1,612,564.50 = 631,981/x
  3. Step 3: Cross multiply
    1,168,525x = 1,612,564.50 × 631,981
  4. Step 4: Simplify right side
    1,168,525x = 1,019,110,125,274.50
  5. Step 5: Solve for x
    x = 1,019,110,125,274.50/1,168,525
  6. Step 6: Final answer
    x = 872,133.78

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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.