Home / 1,444,992.40-2,169,562.20-815,136.40

Finding the Fourth Proportional to 1,444,992.40, 2,169,562.20 and 815,136.40

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Solution

The fourth proportional to 1,444,992.40, 2,169,562.20 and 815,136.40 is: 1,223,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,992.40 : 2,169,562.20 = 815,136.40 : x
  2. Step 2: Convert to fraction form
    1,444,992.40/2,169,562.20 = 815,136.40/x
  3. Step 3: Cross multiply
    1,444,992.40x = 2,169,562.20 × 815,136.40
  4. Step 4: Simplify right side
    1,444,992.40x = 1,768,489,121,284.08
  5. Step 5: Solve for x
    x = 1,768,489,121,284.08/1,444,992.40
  6. Step 6: Final answer
    x = 1,223,874.34

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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.