Home / 1,086,136.36-1,628,549.66-486,989.16

Finding the Fourth Proportional to 1,086,136.36, 1,628,549.66 and 486,989.16

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Solution

The fourth proportional to 1,086,136.36, 1,628,549.66 and 486,989.16 is: 730,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,136.36 : 1,628,549.66 = 486,989.16 : x
  2. Step 2: Convert to fraction form
    1,086,136.36/1,628,549.66 = 486,989.16/x
  3. Step 3: Cross multiply
    1,086,136.36x = 1,628,549.66 × 486,989.16
  4. Step 4: Simplify right side
    1,086,136.36x = 793,086,030,941.69
  5. Step 5: Solve for x
    x = 793,086,030,941.69/1,086,136.36
  6. Step 6: Final answer
    x = 730,190.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.