Home / 1,314,112.95-1,813,863.72-770,366.43

Finding the Fourth Proportional to 1,314,112.95, 1,813,863.72 and 770,366.43

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Solution

The fourth proportional to 1,314,112.95, 1,813,863.72 and 770,366.43 is: 1,063,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,112.95 : 1,813,863.72 = 770,366.43 : x
  2. Step 2: Convert to fraction form
    1,314,112.95/1,813,863.72 = 770,366.43/x
  3. Step 3: Cross multiply
    1,314,112.95x = 1,813,863.72 × 770,366.43
  4. Step 4: Simplify right side
    1,314,112.95x = 1,397,339,718,482.92
  5. Step 5: Solve for x
    x = 1,397,339,718,482.92/1,314,112.95
  6. Step 6: Final answer
    x = 1,063,333.04

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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.