Home / 1,324,221.32-1,986,109.62-377,366.96

Finding the Fourth Proportional to 1,324,221.32, 1,986,109.62 and 377,366.96

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Solution

The fourth proportional to 1,324,221.32, 1,986,109.62 and 377,366.96 is: 565,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,221.32 : 1,986,109.62 = 377,366.96 : x
  2. Step 2: Convert to fraction form
    1,324,221.32/1,986,109.62 = 377,366.96/x
  3. Step 3: Cross multiply
    1,324,221.32x = 1,986,109.62 × 377,366.96
  4. Step 4: Simplify right side
    1,324,221.32x = 749,492,139,595.61
  5. Step 5: Solve for x
    x = 749,492,139,595.61/1,324,221.32
  6. Step 6: Final answer
    x = 565,987.07

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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.