Home / 1,008,255.35-1,391,490.44-753,163.67

Finding the Fourth Proportional to 1,008,255.35, 1,391,490.44 and 753,163.67

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Solution

The fourth proportional to 1,008,255.35, 1,391,490.44 and 753,163.67 is: 1,039,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,255.35 : 1,391,490.44 = 753,163.67 : x
  2. Step 2: Convert to fraction form
    1,008,255.35/1,391,490.44 = 753,163.67/x
  3. Step 3: Cross multiply
    1,008,255.35x = 1,391,490.44 × 753,163.67
  4. Step 4: Simplify right side
    1,008,255.35x = 1,048,020,046,560.31
  5. Step 5: Solve for x
    x = 1,048,020,046,560.31/1,008,255.35
  6. Step 6: Final answer
    x = 1,039,439.11

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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.