Home / 1,347,654.40-2,019,728.40-548,003.68

Finding the Fourth Proportional to 1,347,654.40, 2,019,728.40 and 548,003.68

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Solution

The fourth proportional to 1,347,654.40, 2,019,728.40 and 548,003.68 is: 821,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,654.40 : 2,019,728.40 = 548,003.68 : x
  2. Step 2: Convert to fraction form
    1,347,654.40/2,019,728.40 = 548,003.68/x
  3. Step 3: Cross multiply
    1,347,654.40x = 2,019,728.40 × 548,003.68
  4. Step 4: Simplify right side
    1,347,654.40x = 1,106,818,595,800.51
  5. Step 5: Solve for x
    x = 1,106,818,595,800.51/1,347,654.40
  6. Step 6: Final answer
    x = 821,292.61

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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.