Home / 1,142,820.09-1,576,772.33-900,349.97

Finding the Fourth Proportional to 1,142,820.09, 1,576,772.33 and 900,349.97

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Solution

The fourth proportional to 1,142,820.09, 1,576,772.33 and 900,349.97 is: 1,242,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,820.09 : 1,576,772.33 = 900,349.97 : x
  2. Step 2: Convert to fraction form
    1,142,820.09/1,576,772.33 = 900,349.97/x
  3. Step 3: Cross multiply
    1,142,820.09x = 1,576,772.33 × 900,349.97
  4. Step 4: Simplify right side
    1,142,820.09x = 1,419,646,907,626.72
  5. Step 5: Solve for x
    x = 1,419,646,907,626.72/1,142,820.09
  6. Step 6: Final answer
    x = 1,242,231.32

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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.