Home / 1,382,444.58-1,907,782.23-770,636.22

Finding the Fourth Proportional to 1,382,444.58, 1,907,782.23 and 770,636.22

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Solution

The fourth proportional to 1,382,444.58, 1,907,782.23 and 770,636.22 is: 1,063,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,444.58 : 1,907,782.23 = 770,636.22 : x
  2. Step 2: Convert to fraction form
    1,382,444.58/1,907,782.23 = 770,636.22/x
  3. Step 3: Cross multiply
    1,382,444.58x = 1,907,782.23 × 770,636.22
  4. Step 4: Simplify right side
    1,382,444.58x = 1,470,206,086,310.37
  5. Step 5: Solve for x
    x = 1,470,206,086,310.37/1,382,444.58
  6. Step 6: Final answer
    x = 1,063,482.84

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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.