Home / 1,560,132.21-2,152,941.21-871,809.72

Finding the Fourth Proportional to 1,560,132.21, 2,152,941.21 and 871,809.72

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Solution

The fourth proportional to 1,560,132.21, 2,152,941.21 and 871,809.72 is: 1,203,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,132.21 : 2,152,941.21 = 871,809.72 : x
  2. Step 2: Convert to fraction form
    1,560,132.21/2,152,941.21 = 871,809.72/x
  3. Step 3: Cross multiply
    1,560,132.21x = 2,152,941.21 × 871,809.72
  4. Step 4: Simplify right side
    1,560,132.21x = 1,876,955,073,466.56
  5. Step 5: Solve for x
    x = 1,876,955,073,466.56/1,560,132.21
  6. Step 6: Final answer
    x = 1,203,074.37

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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.