Home / 1,725,178.66-2,380,756.29-1,000,456.66

Finding the Fourth Proportional to 1,725,178.66, 2,380,756.29 and 1,000,456.66

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Solution

The fourth proportional to 1,725,178.66, 2,380,756.29 and 1,000,456.66 is: 1,380,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,178.66 : 2,380,756.29 = 1,000,456.66 : x
  2. Step 2: Convert to fraction form
    1,725,178.66/2,380,756.29 = 1,000,456.66/x
  3. Step 3: Cross multiply
    1,725,178.66x = 2,380,756.29 × 1,000,456.66
  4. Step 4: Simplify right side
    1,725,178.66x = 2,381,843,486,167.39
  5. Step 5: Solve for x
    x = 2,381,843,486,167.39/1,725,178.66
  6. Step 6: Final answer
    x = 1,380,635.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.