Home / 1,131,450.95-1,561,271.42-647,987.27

Finding the Fourth Proportional to 1,131,450.95, 1,561,271.42 and 647,987.27

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Solution

The fourth proportional to 1,131,450.95, 1,561,271.42 and 647,987.27 is: 894,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,450.95 : 1,561,271.42 = 647,987.27 : x
  2. Step 2: Convert to fraction form
    1,131,450.95/1,561,271.42 = 647,987.27/x
  3. Step 3: Cross multiply
    1,131,450.95x = 1,561,271.42 × 647,987.27
  4. Step 4: Simplify right side
    1,131,450.95x = 1,011,683,998,988.43
  5. Step 5: Solve for x
    x = 1,011,683,998,988.43/1,131,450.95
  6. Step 6: Final answer
    x = 894,147.46

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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.