Home / 1,120,733.40-1,546,731.21-685,405.41

Finding the Fourth Proportional to 1,120,733.40, 1,546,731.21 and 685,405.41

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Solution

The fourth proportional to 1,120,733.40, 1,546,731.21 and 685,405.41 is: 945,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,733.40 : 1,546,731.21 = 685,405.41 : x
  2. Step 2: Convert to fraction form
    1,120,733.40/1,546,731.21 = 685,405.41/x
  3. Step 3: Cross multiply
    1,120,733.40x = 1,546,731.21 × 685,405.41
  4. Step 4: Simplify right side
    1,120,733.40x = 1,060,137,939,149.85
  5. Step 5: Solve for x
    x = 1,060,137,939,149.85/1,120,733.40
  6. Step 6: Final answer
    x = 945,932.31

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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.