Home / 1,207,136.80-1,810,049.10-497,236.60

Finding the Fourth Proportional to 1,207,136.80, 1,810,049.10 and 497,236.60

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Solution

The fourth proportional to 1,207,136.80, 1,810,049.10 and 497,236.60 is: 745,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,136.80 : 1,810,049.10 = 497,236.60 : x
  2. Step 2: Convert to fraction form
    1,207,136.80/1,810,049.10 = 497,236.60/x
  3. Step 3: Cross multiply
    1,207,136.80x = 1,810,049.10 × 497,236.60
  4. Step 4: Simplify right side
    1,207,136.80x = 900,022,660,317.06
  5. Step 5: Solve for x
    x = 900,022,660,317.06/1,207,136.80
  6. Step 6: Final answer
    x = 745,584.64

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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.