Home / 1,432,416.80-2,149,618.80-1,078,176.80

Finding the Fourth Proportional to 1,432,416.80, 2,149,618.80 and 1,078,176.80

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Solution

The fourth proportional to 1,432,416.80, 2,149,618.80 and 1,078,176.80 is: 1,618,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,416.80 : 2,149,618.80 = 1,078,176.80 : x
  2. Step 2: Convert to fraction form
    1,432,416.80/2,149,618.80 = 1,078,176.80/x
  3. Step 3: Cross multiply
    1,432,416.80x = 2,149,618.80 × 1,078,176.80
  4. Step 4: Simplify right side
    1,432,416.80x = 2,317,669,119,003.84
  5. Step 5: Solve for x
    x = 2,317,669,119,003.84/1,432,416.80
  6. Step 6: Final answer
    x = 1,618,013.08

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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.