Home / 1,425,791.18-2,137,357.82-714,988.64

Finding the Fourth Proportional to 1,425,791.18, 2,137,357.82 and 714,988.64

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Solution

The fourth proportional to 1,425,791.18, 2,137,357.82 and 714,988.64 is: 1,071,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,791.18 : 2,137,357.82 = 714,988.64 : x
  2. Step 2: Convert to fraction form
    1,425,791.18/2,137,357.82 = 714,988.64/x
  3. Step 3: Cross multiply
    1,425,791.18x = 2,137,357.82 × 714,988.64
  4. Step 4: Simplify right side
    1,425,791.18x = 1,528,186,560,915.16
  5. Step 5: Solve for x
    x = 1,528,186,560,915.16/1,425,791.18
  6. Step 6: Final answer
    x = 1,071,816.53

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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.