Home / 1,403,459.25-1,936,772.42-758,877.90

Finding the Fourth Proportional to 1,403,459.25, 1,936,772.42 and 758,877.90

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Solution

The fourth proportional to 1,403,459.25, 1,936,772.42 and 758,877.90 is: 1,047,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,459.25 : 1,936,772.42 = 758,877.90 : x
  2. Step 2: Convert to fraction form
    1,403,459.25/1,936,772.42 = 758,877.90/x
  3. Step 3: Cross multiply
    1,403,459.25x = 1,936,772.42 × 758,877.90
  4. Step 4: Simplify right side
    1,403,459.25x = 1,469,773,783,073.13
  5. Step 5: Solve for x
    x = 1,469,773,783,073.13/1,403,459.25
  6. Step 6: Final answer
    x = 1,047,250.77

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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.