Home / 989,013.54-1,365,013.42-581,115.30

Finding the Fourth Proportional to 989,013.54, 1,365,013.42 and 581,115.30

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Solution

The fourth proportional to 989,013.54, 1,365,013.42 and 581,115.30 is: 802,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,013.54 : 1,365,013.42 = 581,115.30 : x
  2. Step 2: Convert to fraction form
    989,013.54/1,365,013.42 = 581,115.30/x
  3. Step 3: Cross multiply
    989,013.54x = 1,365,013.42 × 581,115.30
  4. Step 4: Simplify right side
    989,013.54x = 793,230,183,067.33
  5. Step 5: Solve for x
    x = 793,230,183,067.33/989,013.54
  6. Step 6: Final answer
    x = 802,041.78

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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.