Home / 1,425,285.32-2,138,027.74-572,356.94

Finding the Fourth Proportional to 1,425,285.32, 2,138,027.74 and 572,356.94

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Solution

The fourth proportional to 1,425,285.32, 2,138,027.74 and 572,356.94 is: 858,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,285.32 : 2,138,027.74 = 572,356.94 : x
  2. Step 2: Convert to fraction form
    1,425,285.32/2,138,027.74 = 572,356.94/x
  3. Step 3: Cross multiply
    1,425,285.32x = 2,138,027.74 × 572,356.94
  4. Step 4: Simplify right side
    1,425,285.32x = 1,223,715,014,901.52
  5. Step 5: Solve for x
    x = 1,223,715,014,901.52/1,425,285.32
  6. Step 6: Final answer
    x = 858,575.47

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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.