Home / 1,147,136.82-1,583,015.33-630,890.18

Finding the Fourth Proportional to 1,147,136.82, 1,583,015.33 and 630,890.18

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Solution

The fourth proportional to 1,147,136.82, 1,583,015.33 and 630,890.18 is: 870,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,136.82 : 1,583,015.33 = 630,890.18 : x
  2. Step 2: Convert to fraction form
    1,147,136.82/1,583,015.33 = 630,890.18/x
  3. Step 3: Cross multiply
    1,147,136.82x = 1,583,015.33 × 630,890.18
  4. Step 4: Simplify right side
    1,147,136.82x = 998,708,815,416.93
  5. Step 5: Solve for x
    x = 998,708,815,416.93/1,147,136.82
  6. Step 6: Final answer
    x = 870,610.02

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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.