Home / 1,487,136.30-2,052,261.09-808,072.80

Finding the Fourth Proportional to 1,487,136.30, 2,052,261.09 and 808,072.80

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Solution

The fourth proportional to 1,487,136.30, 2,052,261.09 and 808,072.80 is: 1,115,147.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,136.30 : 2,052,261.09 = 808,072.80 : x
  2. Step 2: Convert to fraction form
    1,487,136.30/2,052,261.09 = 808,072.80/x
  3. Step 3: Cross multiply
    1,487,136.30x = 2,052,261.09 × 808,072.80
  4. Step 4: Simplify right side
    1,487,136.30x = 1,658,376,365,327.35
  5. Step 5: Solve for x
    x = 1,658,376,365,327.35/1,487,136.30
  6. Step 6: Final answer
    x = 1,115,147.53

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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.