Home / 1,110,472.80-1,665,709.20-400,610.40

Finding the Fourth Proportional to 1,110,472.80, 1,665,709.20 and 400,610.40

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Solution

The fourth proportional to 1,110,472.80, 1,665,709.20 and 400,610.40 is: 600,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,472.80 : 1,665,709.20 = 400,610.40 : x
  2. Step 2: Convert to fraction form
    1,110,472.80/1,665,709.20 = 400,610.40/x
  3. Step 3: Cross multiply
    1,110,472.80x = 1,665,709.20 × 400,610.40
  4. Step 4: Simplify right side
    1,110,472.80x = 667,300,428,895.68
  5. Step 5: Solve for x
    x = 667,300,428,895.68/1,110,472.80
  6. Step 6: Final answer
    x = 600,915.60

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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.