Home / 1,420,103.40-2,126,655.90-944,212.20

Finding the Fourth Proportional to 1,420,103.40, 2,126,655.90 and 944,212.20

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Solution

The fourth proportional to 1,420,103.40, 2,126,655.90 and 944,212.20 is: 1,413,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,103.40 : 2,126,655.90 = 944,212.20 : x
  2. Step 2: Convert to fraction form
    1,420,103.40/2,126,655.90 = 944,212.20/x
  3. Step 3: Cross multiply
    1,420,103.40x = 2,126,655.90 × 944,212.20
  4. Step 4: Simplify right side
    1,420,103.40x = 2,008,014,445,981.98
  5. Step 5: Solve for x
    x = 2,008,014,445,981.98/1,420,103.40
  6. Step 6: Final answer
    x = 1,413,991.72

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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.