Home / 1,412,468.40-2,113,864.20-851,905.20

Finding the Fourth Proportional to 1,412,468.40, 2,113,864.20 and 851,905.20

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Solution

The fourth proportional to 1,412,468.40, 2,113,864.20 and 851,905.20 is: 1,274,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,468.40 : 2,113,864.20 = 851,905.20 : x
  2. Step 2: Convert to fraction form
    1,412,468.40/2,113,864.20 = 851,905.20/x
  3. Step 3: Cross multiply
    1,412,468.40x = 2,113,864.20 × 851,905.20
  4. Step 4: Simplify right side
    1,412,468.40x = 1,800,811,904,073.84
  5. Step 5: Solve for x
    x = 1,800,811,904,073.84/1,412,468.40
  6. Step 6: Final answer
    x = 1,274,939.61

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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.