Home / 1,310,940.72-1,809,070.29-730,162.04

Finding the Fourth Proportional to 1,310,940.72, 1,809,070.29 and 730,162.04

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Solution

The fourth proportional to 1,310,940.72, 1,809,070.29 and 730,162.04 is: 1,007,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,940.72 : 1,809,070.29 = 730,162.04 : x
  2. Step 2: Convert to fraction form
    1,310,940.72/1,809,070.29 = 730,162.04/x
  3. Step 3: Cross multiply
    1,310,940.72x = 1,809,070.29 × 730,162.04
  4. Step 4: Simplify right side
    1,310,940.72x = 1,320,914,444,404.44
  5. Step 5: Solve for x
    x = 1,320,914,444,404.44/1,310,940.72
  6. Step 6: Final answer
    x = 1,007,608.07

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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.