Home / 1,318,634.25-1,819,716.21-715,022.25

Finding the Fourth Proportional to 1,318,634.25, 1,819,716.21 and 715,022.25

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Solution

The fourth proportional to 1,318,634.25, 1,819,716.21 and 715,022.25 is: 986,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,634.25 : 1,819,716.21 = 715,022.25 : x
  2. Step 2: Convert to fraction form
    1,318,634.25/1,819,716.21 = 715,022.25/x
  3. Step 3: Cross multiply
    1,318,634.25x = 1,819,716.21 × 715,022.25
  4. Step 4: Simplify right side
    1,318,634.25x = 1,301,137,578,835.67
  5. Step 5: Solve for x
    x = 1,301,137,578,835.67/1,318,634.25
  6. Step 6: Final answer
    x = 986,731.22

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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.