Home / 1,420,105.40-2,126,658.90-944,214.20

Finding the Fourth Proportional to 1,420,105.40, 2,126,658.90 and 944,214.20

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Solution

The fourth proportional to 1,420,105.40, 2,126,658.90 and 944,214.20 is: 1,413,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,105.40 : 2,126,658.90 = 944,214.20 : x
  2. Step 2: Convert to fraction form
    1,420,105.40/2,126,658.90 = 944,214.20/x
  3. Step 3: Cross multiply
    1,420,105.40x = 2,126,658.90 × 944,214.20
  4. Step 4: Simplify right side
    1,420,105.40x = 2,008,021,531,936.38
  5. Step 5: Solve for x
    x = 2,008,021,531,936.38/1,420,105.40
  6. Step 6: Final answer
    x = 1,413,994.72

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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.