Home / 1,226,508.48-1,692,564.76-682,644.46

Finding the Fourth Proportional to 1,226,508.48, 1,692,564.76 and 682,644.46

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Solution

The fourth proportional to 1,226,508.48, 1,692,564.76 and 682,644.46 is: 942,039.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,508.48 : 1,692,564.76 = 682,644.46 : x
  2. Step 2: Convert to fraction form
    1,226,508.48/1,692,564.76 = 682,644.46/x
  3. Step 3: Cross multiply
    1,226,508.48x = 1,692,564.76 × 682,644.46
  4. Step 4: Simplify right side
    1,226,508.48x = 1,155,419,956,400.68
  5. Step 5: Solve for x
    x = 1,155,419,956,400.68/1,226,508.48
  6. Step 6: Final answer
    x = 942,039.92

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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.