Home / 1,442,261.38-1,990,242.57-797,643.94

Finding the Fourth Proportional to 1,442,261.38, 1,990,242.57 and 797,643.94

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Solution

The fourth proportional to 1,442,261.38, 1,990,242.57 and 797,643.94 is: 1,100,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,261.38 : 1,990,242.57 = 797,643.94 : x
  2. Step 2: Convert to fraction form
    1,442,261.38/1,990,242.57 = 797,643.94/x
  3. Step 3: Cross multiply
    1,442,261.38x = 1,990,242.57 × 797,643.94
  4. Step 4: Simplify right side
    1,442,261.38x = 1,587,504,925,090.53
  5. Step 5: Solve for x
    x = 1,587,504,925,090.53/1,442,261.38
  6. Step 6: Final answer
    x = 1,100,705.42

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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.