Home / 1,000,676.32-1,380,909.36-547,986.40

Finding the Fourth Proportional to 1,000,676.32, 1,380,909.36 and 547,986.40

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Solution

The fourth proportional to 1,000,676.32, 1,380,909.36 and 547,986.40 is: 756,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,676.32 : 1,380,909.36 = 547,986.40 : x
  2. Step 2: Convert to fraction form
    1,000,676.32/1,380,909.36 = 547,986.40/x
  3. Step 3: Cross multiply
    1,000,676.32x = 1,380,909.36 × 547,986.40
  4. Step 4: Simplify right side
    1,000,676.32x = 756,719,548,912.70
  5. Step 5: Solve for x
    x = 756,719,548,912.70/1,000,676.32
  6. Step 6: Final answer
    x = 756,208.11

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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.