Home / 1,397,813.77-2,096,487.09-387,037.90

Finding the Fourth Proportional to 1,397,813.77, 2,096,487.09 and 387,037.90

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Solution

The fourth proportional to 1,397,813.77, 2,096,487.09 and 387,037.90 is: 580,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,813.77 : 2,096,487.09 = 387,037.90 : x
  2. Step 2: Convert to fraction form
    1,397,813.77/2,096,487.09 = 387,037.90/x
  3. Step 3: Cross multiply
    1,397,813.77x = 2,096,487.09 × 387,037.90
  4. Step 4: Simplify right side
    1,397,813.77x = 811,419,958,755.52
  5. Step 5: Solve for x
    x = 811,419,958,755.52/1,397,813.77
  6. Step 6: Final answer
    x = 580,492.18

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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.