Home / 1,587,855.44-2,379,009.72-1,323,315.92

Finding the Fourth Proportional to 1,587,855.44, 2,379,009.72 and 1,323,315.92

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Solution

The fourth proportional to 1,587,855.44, 2,379,009.72 and 1,323,315.92 is: 1,982,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,855.44 : 2,379,009.72 = 1,323,315.92 : x
  2. Step 2: Convert to fraction form
    1,587,855.44/2,379,009.72 = 1,323,315.92/x
  3. Step 3: Cross multiply
    1,587,855.44x = 2,379,009.72 × 1,323,315.92
  4. Step 4: Simplify right side
    1,587,855.44x = 3,148,181,436,310.74
  5. Step 5: Solve for x
    x = 3,148,181,436,310.74/1,587,855.44
  6. Step 6: Final answer
    x = 1,982,662.50

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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.