Home / 1,403,496.72-1,936,824.08-758,915.44

Finding the Fourth Proportional to 1,403,496.72, 1,936,824.08 and 758,915.44

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Solution

The fourth proportional to 1,403,496.72, 1,936,824.08 and 758,915.44 is: 1,047,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,496.72 : 1,936,824.08 = 758,915.44 : x
  2. Step 2: Convert to fraction form
    1,403,496.72/1,936,824.08 = 758,915.44/x
  3. Step 3: Cross multiply
    1,403,496.72x = 1,936,824.08 × 758,915.44
  4. Step 4: Simplify right side
    1,403,496.72x = 1,469,885,698,875.80
  5. Step 5: Solve for x
    x = 1,469,885,698,875.80/1,403,496.72
  6. Step 6: Final answer
    x = 1,047,302.55

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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.