Home / 1,313,601.42-1,971,140.31-714,604.53

Finding the Fourth Proportional to 1,313,601.42, 1,971,140.31 and 714,604.53

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Solution

The fourth proportional to 1,313,601.42, 1,971,140.31 and 714,604.53 is: 1,072,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,601.42 : 1,971,140.31 = 714,604.53 : x
  2. Step 2: Convert to fraction form
    1,313,601.42/1,971,140.31 = 714,604.53/x
  3. Step 3: Cross multiply
    1,313,601.42x = 1,971,140.31 × 714,604.53
  4. Step 4: Simplify right side
    1,313,601.42x = 1,408,585,794,791.60
  5. Step 5: Solve for x
    x = 1,408,585,794,791.60/1,313,601.42
  6. Step 6: Final answer
    x = 1,072,308.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.