Home / 1,097,610.76-1,644,709.32-761,308.48

Finding the Fourth Proportional to 1,097,610.76, 1,644,709.32 and 761,308.48

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Solution

The fourth proportional to 1,097,610.76, 1,644,709.32 and 761,308.48 is: 1,140,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,610.76 : 1,644,709.32 = 761,308.48 : x
  2. Step 2: Convert to fraction form
    1,097,610.76/1,644,709.32 = 761,308.48/x
  3. Step 3: Cross multiply
    1,097,610.76x = 1,644,709.32 × 761,308.48
  4. Step 4: Simplify right side
    1,097,610.76x = 1,252,131,152,451.03
  5. Step 5: Solve for x
    x = 1,252,131,152,451.03/1,097,610.76
  6. Step 6: Final answer
    x = 1,140,778.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.