Home / 1,405,959.58-1,940,220.36-761,379.60

Finding the Fourth Proportional to 1,405,959.58, 1,940,220.36 and 761,379.60

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Solution

The fourth proportional to 1,405,959.58, 1,940,220.36 and 761,379.60 is: 1,050,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,959.58 : 1,940,220.36 = 761,379.60 : x
  2. Step 2: Convert to fraction form
    1,405,959.58/1,940,220.36 = 761,379.60/x
  3. Step 3: Cross multiply
    1,405,959.58x = 1,940,220.36 × 761,379.60
  4. Step 4: Simplify right side
    1,405,959.58x = 1,477,244,200,112.20
  5. Step 5: Solve for x
    x = 1,477,244,200,112.20/1,405,959.58
  6. Step 6: Final answer
    x = 1,050,701.76

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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.