Home / 1,002,167.10-1,503,580.52-666,528.21

Finding the Fourth Proportional to 1,002,167.10, 1,503,580.52 and 666,528.21

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Solution

The fourth proportional to 1,002,167.10, 1,503,580.52 and 666,528.21 is: 1,000,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,167.10 : 1,503,580.52 = 666,528.21 : x
  2. Step 2: Convert to fraction form
    1,002,167.10/1,503,580.52 = 666,528.21/x
  3. Step 3: Cross multiply
    1,002,167.10x = 1,503,580.52 × 666,528.21
  4. Step 4: Simplify right side
    1,002,167.10x = 1,002,178,834,252.79
  5. Step 5: Solve for x
    x = 1,002,178,834,252.79/1,002,167.10
  6. Step 6: Final answer
    x = 1,000,011.71

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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.