Home / 1,443,297.06-1,991,782.44-934,884.36

Finding the Fourth Proportional to 1,443,297.06, 1,991,782.44 and 934,884.36

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Solution

The fourth proportional to 1,443,297.06, 1,991,782.44 and 934,884.36 is: 1,290,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,297.06 : 1,991,782.44 = 934,884.36 : x
  2. Step 2: Convert to fraction form
    1,443,297.06/1,991,782.44 = 934,884.36/x
  3. Step 3: Cross multiply
    1,443,297.06x = 1,991,782.44 × 934,884.36
  4. Step 4: Simplify right side
    1,443,297.06x = 1,862,086,251,678.64
  5. Step 5: Solve for x
    x = 1,862,086,251,678.64/1,443,297.06
  6. Step 6: Final answer
    x = 1,290,161.47

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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.