Home / 1,314,259.97-1,813,702.39-770,787.83

Finding the Fourth Proportional to 1,314,259.97, 1,813,702.39 and 770,787.83

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Solution

The fourth proportional to 1,314,259.97, 1,813,702.39 and 770,787.83 is: 1,063,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,259.97 : 1,813,702.39 = 770,787.83 : x
  2. Step 2: Convert to fraction form
    1,314,259.97/1,813,702.39 = 770,787.83/x
  3. Step 3: Cross multiply
    1,314,259.97x = 1,813,702.39 × 770,787.83
  4. Step 4: Simplify right side
    1,314,259.97x = 1,397,979,732,061.20
  5. Step 5: Solve for x
    x = 1,397,979,732,061.20/1,314,259.97
  6. Step 6: Final answer
    x = 1,063,701.07

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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.