Home / 1,330,175.21-1,995,305.34-520,527.56

Finding the Fourth Proportional to 1,330,175.21, 1,995,305.34 and 520,527.56

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Solution

The fourth proportional to 1,330,175.21, 1,995,305.34 and 520,527.56 is: 780,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,175.21 : 1,995,305.34 = 520,527.56 : x
  2. Step 2: Convert to fraction form
    1,330,175.21/1,995,305.34 = 520,527.56/x
  3. Step 3: Cross multiply
    1,330,175.21x = 1,995,305.34 × 520,527.56
  4. Step 4: Simplify right side
    1,330,175.21x = 1,038,611,420,085.17
  5. Step 5: Solve for x
    x = 1,038,611,420,085.17/1,330,175.21
  6. Step 6: Final answer
    x = 780,807.98

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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.