Home / 914,605.80-1,371,908.70-816,628.20

Finding the Fourth Proportional to 914,605.80, 1,371,908.70 and 816,628.20

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Solution

The fourth proportional to 914,605.80, 1,371,908.70 and 816,628.20 is: 1,224,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,605.80 : 1,371,908.70 = 816,628.20 : x
  2. Step 2: Convert to fraction form
    914,605.80/1,371,908.70 = 816,628.20/x
  3. Step 3: Cross multiply
    914,605.80x = 1,371,908.70 × 816,628.20
  4. Step 4: Simplify right side
    914,605.80x = 1,120,339,332,245.34
  5. Step 5: Solve for x
    x = 1,120,339,332,245.34/914,605.80
  6. Step 6: Final answer
    x = 1,224,942.30

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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.