Home / 1,871,161.20-2,803,516.20-871,839.60

Finding the Fourth Proportional to 1,871,161.20, 2,803,516.20 and 871,839.60

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Solution

The fourth proportional to 1,871,161.20, 2,803,516.20 and 871,839.60 is: 1,306,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,161.20 : 2,803,516.20 = 871,839.60 : x
  2. Step 2: Convert to fraction form
    1,871,161.20/2,803,516.20 = 871,839.60/x
  3. Step 3: Cross multiply
    1,871,161.20x = 2,803,516.20 × 871,839.60
  4. Step 4: Simplify right side
    1,871,161.20x = 2,444,216,442,401.52
  5. Step 5: Solve for x
    x = 2,444,216,442,401.52/1,871,161.20
  6. Step 6: Final answer
    x = 1,306,256.48

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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.