Home / 1,179,172.88-1,627,302.12-669,961.52

Finding the Fourth Proportional to 1,179,172.88, 1,627,302.12 and 669,961.52

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Solution

The fourth proportional to 1,179,172.88, 1,627,302.12 and 669,961.52 is: 924,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,172.88 : 1,627,302.12 = 669,961.52 : x
  2. Step 2: Convert to fraction form
    1,179,172.88/1,627,302.12 = 669,961.52/x
  3. Step 3: Cross multiply
    1,179,172.88x = 1,627,302.12 × 669,961.52
  4. Step 4: Simplify right side
    1,179,172.88x = 1,090,229,801,814.42
  5. Step 5: Solve for x
    x = 1,090,229,801,814.42/1,179,172.88
  6. Step 6: Final answer
    x = 924,571.64

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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.