Home / 1,000,438.92-1,500,865.82-401,446.80

Finding the Fourth Proportional to 1,000,438.92, 1,500,865.82 and 401,446.80

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Solution

The fourth proportional to 1,000,438.92, 1,500,865.82 and 401,446.80 is: 602,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,438.92 : 1,500,865.82 = 401,446.80 : x
  2. Step 2: Convert to fraction form
    1,000,438.92/1,500,865.82 = 401,446.80/x
  3. Step 3: Cross multiply
    1,000,438.92x = 1,500,865.82 × 401,446.80
  4. Step 4: Simplify right side
    1,000,438.92x = 602,517,782,227.98
  5. Step 5: Solve for x
    x = 602,517,782,227.98/1,000,438.92
  6. Step 6: Final answer
    x = 602,253.44

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1.5x scale

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.