Home / 1,207,107-1,810,883.52-397,536.84

Finding the Fourth Proportional to 1,207,107, 1,810,883.52 and 397,536.84

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Solution

The fourth proportional to 1,207,107, 1,810,883.52 and 397,536.84 is: 596,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,107 : 1,810,883.52 = 397,536.84 : x
  2. Step 2: Convert to fraction form
    1,207,107/1,810,883.52 = 397,536.84/x
  3. Step 3: Cross multiply
    1,207,107x = 1,810,883.52 × 397,536.84
  4. Step 4: Simplify right side
    1,207,107x = 719,892,912,148.88
  5. Step 5: Solve for x
    x = 719,892,912,148.88/1,207,107
  6. Step 6: Final answer
    x = 596,378.71

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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.