Home / 789,837.69-1,185,421.19-740,015.10

Finding the Fourth Proportional to 789,837.69, 1,185,421.19 and 740,015.10

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Solution

The fourth proportional to 789,837.69, 1,185,421.19 and 740,015.10 is: 1,110,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,837.69 : 1,185,421.19 = 740,015.10 : x
  2. Step 2: Convert to fraction form
    789,837.69/1,185,421.19 = 740,015.10/x
  3. Step 3: Cross multiply
    789,837.69x = 1,185,421.19 × 740,015.10
  4. Step 4: Simplify right side
    789,837.69x = 877,229,576,759.89
  5. Step 5: Solve for x
    x = 877,229,576,759.89/789,837.69
  6. Step 6: Final answer
    x = 1,110,645.37

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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.