Home / 1,317,255.75-1,817,815.91-736,499.66

Finding the Fourth Proportional to 1,317,255.75, 1,817,815.91 and 736,499.66

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Solution

The fourth proportional to 1,317,255.75, 1,817,815.91 and 736,499.66 is: 1,016,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,255.75 : 1,817,815.91 = 736,499.66 : x
  2. Step 2: Convert to fraction form
    1,317,255.75/1,817,815.91 = 736,499.66/x
  3. Step 3: Cross multiply
    1,317,255.75x = 1,817,815.91 × 736,499.66
  4. Step 4: Simplify right side
    1,317,255.75x = 1,338,820,786,886.01
  5. Step 5: Solve for x
    x = 1,338,820,786,886.01/1,317,255.75
  6. Step 6: Final answer
    x = 1,016,371.18

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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.