Home / 1,415,272.16-2,123,236.20-404,407.28

Finding the Fourth Proportional to 1,415,272.16, 2,123,236.20 and 404,407.28

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Solution

The fourth proportional to 1,415,272.16, 2,123,236.20 and 404,407.28 is: 606,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,272.16 : 2,123,236.20 = 404,407.28 : x
  2. Step 2: Convert to fraction form
    1,415,272.16/2,123,236.20 = 404,407.28/x
  3. Step 3: Cross multiply
    1,415,272.16x = 2,123,236.20 × 404,407.28
  4. Step 4: Simplify right side
    1,415,272.16x = 858,652,176,439.54
  5. Step 5: Solve for x
    x = 858,652,176,439.54/1,415,272.16
  6. Step 6: Final answer
    x = 606,704.63

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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.