Home / 1,133,550.20-1,696,388.70-779,256.20

Finding the Fourth Proportional to 1,133,550.20, 1,696,388.70 and 779,256.20

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Solution

The fourth proportional to 1,133,550.20, 1,696,388.70 and 779,256.20 is: 1,166,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,550.20 : 1,696,388.70 = 779,256.20 : x
  2. Step 2: Convert to fraction form
    1,133,550.20/1,696,388.70 = 779,256.20/x
  3. Step 3: Cross multiply
    1,133,550.20x = 1,696,388.70 × 779,256.20
  4. Step 4: Simplify right side
    1,133,550.20x = 1,321,921,412,084.94
  5. Step 5: Solve for x
    x = 1,321,921,412,084.94/1,133,550.20
  6. Step 6: Final answer
    x = 1,166,178.09

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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.