Home / 1,382,265.46-1,907,295.06-770,284.08

Finding the Fourth Proportional to 1,382,265.46, 1,907,295.06 and 770,284.08

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Solution

The fourth proportional to 1,382,265.46, 1,907,295.06 and 770,284.08 is: 1,062,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,265.46 : 1,907,295.06 = 770,284.08 : x
  2. Step 2: Convert to fraction form
    1,382,265.46/1,907,295.06 = 770,284.08/x
  3. Step 3: Cross multiply
    1,382,265.46x = 1,907,295.06 × 770,284.08
  4. Step 4: Simplify right side
    1,382,265.46x = 1,469,159,020,580.64
  5. Step 5: Solve for x
    x = 1,469,159,020,580.64/1,382,265.46
  6. Step 6: Final answer
    x = 1,062,863.15

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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.