Home / 1,314,108.45-1,813,857.51-770,361.93

Finding the Fourth Proportional to 1,314,108.45, 1,813,857.51 and 770,361.93

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Solution

The fourth proportional to 1,314,108.45, 1,813,857.51 and 770,361.93 is: 1,063,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,108.45 : 1,813,857.51 = 770,361.93 : x
  2. Step 2: Convert to fraction form
    1,314,108.45/1,813,857.51 = 770,361.93/x
  3. Step 3: Cross multiply
    1,314,108.45x = 1,813,857.51 × 770,361.93
  4. Step 4: Simplify right side
    1,314,108.45x = 1,397,326,772,148.59
  5. Step 5: Solve for x
    x = 1,397,326,772,148.59/1,314,108.45
  6. Step 6: Final answer
    x = 1,063,326.83

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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.