Home / 1,120,306.33-1,680,047.76-400,453.78

Finding the Fourth Proportional to 1,120,306.33, 1,680,047.76 and 400,453.78

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Solution

The fourth proportional to 1,120,306.33, 1,680,047.76 and 400,453.78 is: 600,533.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,306.33 : 1,680,047.76 = 400,453.78 : x
  2. Step 2: Convert to fraction form
    1,120,306.33/1,680,047.76 = 400,453.78/x
  3. Step 3: Cross multiply
    1,120,306.33x = 1,680,047.76 × 400,453.78
  4. Step 4: Simplify right side
    1,120,306.33x = 672,781,476,072.53
  5. Step 5: Solve for x
    x = 672,781,476,072.53/1,120,306.33
  6. Step 6: Final answer
    x = 600,533.50

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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.