Home / 1,419,644.48-2,129,009.76-472,760.96

Finding the Fourth Proportional to 1,419,644.48, 2,129,009.76 and 472,760.96

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Solution

The fourth proportional to 1,419,644.48, 2,129,009.76 and 472,760.96 is: 708,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,644.48 : 2,129,009.76 = 472,760.96 : x
  2. Step 2: Convert to fraction form
    1,419,644.48/2,129,009.76 = 472,760.96/x
  3. Step 3: Cross multiply
    1,419,644.48x = 2,129,009.76 × 472,760.96
  4. Step 4: Simplify right side
    1,419,644.48x = 1,006,512,697,986.97
  5. Step 5: Solve for x
    x = 1,006,512,697,986.97/1,419,644.48
  6. Step 6: Final answer
    x = 708,989.27

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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.