Home / 1,317,441.38-1,818,070.38-713,829.38

Finding the Fourth Proportional to 1,317,441.38, 1,818,070.38 and 713,829.38

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Solution

The fourth proportional to 1,317,441.38, 1,818,070.38 and 713,829.38 is: 985,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,441.38 : 1,818,070.38 = 713,829.38 : x
  2. Step 2: Convert to fraction form
    1,317,441.38/1,818,070.38 = 713,829.38/x
  3. Step 3: Cross multiply
    1,317,441.38x = 1,818,070.38 × 713,829.38
  4. Step 4: Simplify right side
    1,317,441.38x = 1,297,792,043,061.41
  5. Step 5: Solve for x
    x = 1,297,792,043,061.41/1,317,441.38
  6. Step 6: Final answer
    x = 985,085.23

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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.