Home / 1,000,676.38-1,380,931.32-541,788.70

Finding the Fourth Proportional to 1,000,676.38, 1,380,931.32 and 541,788.70

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Solution

The fourth proportional to 1,000,676.38, 1,380,931.32 and 541,788.70 is: 747,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,676.38 : 1,380,931.32 = 541,788.70 : x
  2. Step 2: Convert to fraction form
    1,000,676.38/1,380,931.32 = 541,788.70/x
  3. Step 3: Cross multiply
    1,000,676.38x = 1,380,931.32 × 541,788.70
  4. Step 4: Simplify right side
    1,000,676.38x = 748,172,984,652.08
  5. Step 5: Solve for x
    x = 748,172,984,652.08/1,000,676.38
  6. Step 6: Final answer
    x = 747,667.28

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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.