Home / 1,229,406.35-1,696,747.16-720,311.63

Finding the Fourth Proportional to 1,229,406.35, 1,696,747.16 and 720,311.63

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Solution

The fourth proportional to 1,229,406.35, 1,696,747.16 and 720,311.63 is: 994,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,406.35 : 1,696,747.16 = 720,311.63 : x
  2. Step 2: Convert to fraction form
    1,229,406.35/1,696,747.16 = 720,311.63/x
  3. Step 3: Cross multiply
    1,229,406.35x = 1,696,747.16 × 720,311.63
  4. Step 4: Simplify right side
    1,229,406.35x = 1,222,186,705,834.51
  5. Step 5: Solve for x
    x = 1,222,186,705,834.51/1,229,406.35
  6. Step 6: Final answer
    x = 994,127.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.