Home / 1,382,454.50-1,907,796.18-770,646.11

Finding the Fourth Proportional to 1,382,454.50, 1,907,796.18 and 770,646.11

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Solution

The fourth proportional to 1,382,454.50, 1,907,796.18 and 770,646.11 is: 1,063,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,454.50 : 1,907,796.18 = 770,646.11 : x
  2. Step 2: Convert to fraction form
    1,382,454.50/1,907,796.18 = 770,646.11/x
  3. Step 3: Cross multiply
    1,382,454.50x = 1,907,796.18 × 770,646.11
  4. Step 4: Simplify right side
    1,382,454.50x = 1,470,235,695,250.88
  5. Step 5: Solve for x
    x = 1,470,235,695,250.88/1,382,454.50
  6. Step 6: Final answer
    x = 1,063,496.63

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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.