Home / 1,388,337.26-2,081,980.29-756,907.34

Finding the Fourth Proportional to 1,388,337.26, 2,081,980.29 and 756,907.34

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Solution

The fourth proportional to 1,388,337.26, 2,081,980.29 and 756,907.34 is: 1,135,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,337.26 : 2,081,980.29 = 756,907.34 : x
  2. Step 2: Convert to fraction form
    1,388,337.26/2,081,980.29 = 756,907.34/x
  3. Step 3: Cross multiply
    1,388,337.26x = 2,081,980.29 × 756,907.34
  4. Step 4: Simplify right side
    1,388,337.26x = 1,575,866,163,236.33
  5. Step 5: Solve for x
    x = 1,575,866,163,236.33/1,388,337.26
  6. Step 6: Final answer
    x = 1,135,074.46

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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.