Home / 889,961.65-1,338,730.77-806,725.57

Finding the Fourth Proportional to 889,961.65, 1,338,730.77 and 806,725.57

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Solution

The fourth proportional to 889,961.65, 1,338,730.77 and 806,725.57 is: 1,213,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,961.65 : 1,338,730.77 = 806,725.57 : x
  2. Step 2: Convert to fraction form
    889,961.65/1,338,730.77 = 806,725.57/x
  3. Step 3: Cross multiply
    889,961.65x = 1,338,730.77 × 806,725.57
  4. Step 4: Simplify right side
    889,961.65x = 1,079,988,343,504.79
  5. Step 5: Solve for x
    x = 1,079,988,343,504.79/889,961.65
  6. Step 6: Final answer
    x = 1,213,522.34

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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.