Home / 1,318,655.25-1,819,744.25-715,043.25

Finding the Fourth Proportional to 1,318,655.25, 1,819,744.25 and 715,043.25

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Solution

The fourth proportional to 1,318,655.25, 1,819,744.25 and 715,043.25 is: 986,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,655.25 : 1,819,744.25 = 715,043.25 : x
  2. Step 2: Convert to fraction form
    1,318,655.25/1,819,744.25 = 715,043.25/x
  3. Step 3: Cross multiply
    1,318,655.25x = 1,819,744.25 × 715,043.25
  4. Step 4: Simplify right side
    1,318,655.25x = 1,301,195,839,113.60
  5. Step 5: Solve for x
    x = 1,301,195,839,113.60/1,318,655.25
  6. Step 6: Final answer
    x = 986,759.69

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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.