Home / 1,405,239.50-1,939,493.22-801,627.50

Finding the Fourth Proportional to 1,405,239.50, 1,939,493.22 and 801,627.50

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Solution

The fourth proportional to 1,405,239.50, 1,939,493.22 and 801,627.50 is: 1,106,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,239.50 : 1,939,493.22 = 801,627.50 : x
  2. Step 2: Convert to fraction form
    1,405,239.50/1,939,493.22 = 801,627.50/x
  3. Step 3: Cross multiply
    1,405,239.50x = 1,939,493.22 × 801,627.50
  4. Step 4: Simplify right side
    1,405,239.50x = 1,554,751,101,215.55
  5. Step 5: Solve for x
    x = 1,554,751,101,215.55/1,405,239.50
  6. Step 6: Final answer
    x = 1,106,395.81

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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.