Home / 1,317,012.12-1,817,476.92-713,400.12

Finding the Fourth Proportional to 1,317,012.12, 1,817,476.92 and 713,400.12

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Solution

The fourth proportional to 1,317,012.12, 1,817,476.92 and 713,400.12 is: 984,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,012.12 : 1,817,476.92 = 713,400.12 : x
  2. Step 2: Convert to fraction form
    1,317,012.12/1,817,476.92 = 713,400.12/x
  3. Step 3: Cross multiply
    1,317,012.12x = 1,817,476.92 × 713,400.12
  4. Step 4: Simplify right side
    1,317,012.12x = 1,296,588,252,825.23
  5. Step 5: Solve for x
    x = 1,296,588,252,825.23/1,317,012.12
  6. Step 6: Final answer
    x = 984,492.27

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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.