Home / 1,147,904.10-1,721,884.50-548,928.54

Finding the Fourth Proportional to 1,147,904.10, 1,721,884.50 and 548,928.54

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Solution

The fourth proportional to 1,147,904.10, 1,721,884.50 and 548,928.54 is: 823,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,904.10 : 1,721,884.50 = 548,928.54 : x
  2. Step 2: Convert to fraction form
    1,147,904.10/1,721,884.50 = 548,928.54/x
  3. Step 3: Cross multiply
    1,147,904.10x = 1,721,884.50 × 548,928.54
  4. Step 4: Simplify right side
    1,147,904.10x = 945,191,544,633.63
  5. Step 5: Solve for x
    x = 945,191,544,633.63/1,147,904.10
  6. Step 6: Final answer
    x = 823,406.37

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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.