Home / 667,265.40-1,000,898.10-636,161.40

Finding the Fourth Proportional to 667,265.40, 1,000,898.10 and 636,161.40

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Solution

The fourth proportional to 667,265.40, 1,000,898.10 and 636,161.40 is: 954,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,265.40 : 1,000,898.10 = 636,161.40 : x
  2. Step 2: Convert to fraction form
    667,265.40/1,000,898.10 = 636,161.40/x
  3. Step 3: Cross multiply
    667,265.40x = 1,000,898.10 × 636,161.40
  4. Step 4: Simplify right side
    667,265.40x = 636,732,736,553.34
  5. Step 5: Solve for x
    x = 636,732,736,553.34/667,265.40
  6. Step 6: Final answer
    x = 954,242.10

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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.