Home / 1,550,811.48-2,140,217.82-871,791.72

Finding the Fourth Proportional to 1,550,811.48, 2,140,217.82 and 871,791.72

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Solution

The fourth proportional to 1,550,811.48, 2,140,217.82 and 871,791.72 is: 1,203,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,811.48 : 2,140,217.82 = 871,791.72 : x
  2. Step 2: Convert to fraction form
    1,550,811.48/2,140,217.82 = 871,791.72/x
  3. Step 3: Cross multiply
    1,550,811.48x = 2,140,217.82 × 871,791.72
  4. Step 4: Simplify right side
    1,550,811.48x = 1,865,824,174,472.45
  5. Step 5: Solve for x
    x = 1,865,824,174,472.45/1,550,811.48
  6. Step 6: Final answer
    x = 1,203,127.65

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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.