Home / 1,314,580.75-1,814,121.44-710,968.75

Finding the Fourth Proportional to 1,314,580.75, 1,814,121.44 and 710,968.75

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Solution

The fourth proportional to 1,314,580.75, 1,814,121.44 and 710,968.75 is: 981,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,580.75 : 1,814,121.44 = 710,968.75 : x
  2. Step 2: Convert to fraction form
    1,314,580.75/1,814,121.44 = 710,968.75/x
  3. Step 3: Cross multiply
    1,314,580.75x = 1,814,121.44 × 710,968.75
  4. Step 4: Simplify right side
    1,314,580.75x = 1,289,783,652,545
  5. Step 5: Solve for x
    x = 1,289,783,652,545/1,314,580.75
  6. Step 6: Final answer
    x = 981,136.88

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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.