Home / 1,109,213.22-1,663,915.07-389,493.04

Finding the Fourth Proportional to 1,109,213.22, 1,663,915.07 and 389,493.04

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Solution

The fourth proportional to 1,109,213.22, 1,663,915.07 and 389,493.04 is: 584,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,213.22 : 1,663,915.07 = 389,493.04 : x
  2. Step 2: Convert to fraction form
    1,109,213.22/1,663,915.07 = 389,493.04/x
  3. Step 3: Cross multiply
    1,109,213.22x = 1,663,915.07 × 389,493.04
  4. Step 4: Simplify right side
    1,109,213.22x = 648,083,338,916.11
  5. Step 5: Solve for x
    x = 648,083,338,916.11/1,109,213.22
  6. Step 6: Final answer
    x = 584,273.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.