Home / 1,425,288.32-2,138,032.24-572,359.92

Finding the Fourth Proportional to 1,425,288.32, 2,138,032.24 and 572,359.92

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Solution

The fourth proportional to 1,425,288.32, 2,138,032.24 and 572,359.92 is: 858,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,288.32 : 2,138,032.24 = 572,359.92 : x
  2. Step 2: Convert to fraction form
    1,425,288.32/2,138,032.24 = 572,359.92/x
  3. Step 3: Cross multiply
    1,425,288.32x = 2,138,032.24 × 572,359.92
  4. Step 4: Simplify right side
    1,425,288.32x = 1,223,723,961,843.82
  5. Step 5: Solve for x
    x = 1,223,723,961,843.82/1,425,288.32
  6. Step 6: Final answer
    x = 858,579.94

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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.