Home / 912,154.80-1,368,232.20-885,910.80

Finding the Fourth Proportional to 912,154.80, 1,368,232.20 and 885,910.80

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Solution

The fourth proportional to 912,154.80, 1,368,232.20 and 885,910.80 is: 1,328,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,154.80 : 1,368,232.20 = 885,910.80 : x
  2. Step 2: Convert to fraction form
    912,154.80/1,368,232.20 = 885,910.80/x
  3. Step 3: Cross multiply
    912,154.80x = 1,368,232.20 × 885,910.80
  4. Step 4: Simplify right side
    912,154.80x = 1,212,131,682,887.76
  5. Step 5: Solve for x
    x = 1,212,131,682,887.76/912,154.80
  6. Step 6: Final answer
    x = 1,328,866.20

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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.