Home / 1,208,650.80-1,811,007.90-889,786.20

Finding the Fourth Proportional to 1,208,650.80, 1,811,007.90 and 889,786.20

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Solution

The fourth proportional to 1,208,650.80, 1,811,007.90 and 889,786.20 is: 1,333,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,650.80 : 1,811,007.90 = 889,786.20 : x
  2. Step 2: Convert to fraction form
    1,208,650.80/1,811,007.90 = 889,786.20/x
  3. Step 3: Cross multiply
    1,208,650.80x = 1,811,007.90 × 889,786.20
  4. Step 4: Simplify right side
    1,208,650.80x = 1,611,409,837,510.98
  5. Step 5: Solve for x
    x = 1,611,409,837,510.98/1,208,650.80
  6. Step 6: Final answer
    x = 1,333,230.27

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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.