Home / 1,213,393.90-1,819,832.34-360,234.28

Finding the Fourth Proportional to 1,213,393.90, 1,819,832.34 and 360,234.28

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Solution

The fourth proportional to 1,213,393.90, 1,819,832.34 and 360,234.28 is: 540,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,393.90 : 1,819,832.34 = 360,234.28 : x
  2. Step 2: Convert to fraction form
    1,213,393.90/1,819,832.34 = 360,234.28/x
  3. Step 3: Cross multiply
    1,213,393.90x = 1,819,832.34 × 360,234.28
  4. Step 4: Simplify right side
    1,213,393.90x = 655,565,992,720.62
  5. Step 5: Solve for x
    x = 655,565,992,720.62/1,213,393.90
  6. Step 6: Final answer
    x = 540,274.67

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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.