Home / 1,226,882.61-1,840,335.57-765,400.77

Finding the Fourth Proportional to 1,226,882.61, 1,840,335.57 and 765,400.77

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Solution

The fourth proportional to 1,226,882.61, 1,840,335.57 and 765,400.77 is: 1,148,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,882.61 : 1,840,335.57 = 765,400.77 : x
  2. Step 2: Convert to fraction form
    1,226,882.61/1,840,335.57 = 765,400.77/x
  3. Step 3: Cross multiply
    1,226,882.61x = 1,840,335.57 × 765,400.77
  4. Step 4: Simplify right side
    1,226,882.61x = 1,408,594,262,336.39
  5. Step 5: Solve for x
    x = 1,408,594,262,336.39/1,226,882.61
  6. Step 6: Final answer
    x = 1,148,108.43

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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.