Home / 1,372,509.24-2,058,896.90-425,625.72

Finding the Fourth Proportional to 1,372,509.24, 2,058,896.90 and 425,625.72

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Solution

The fourth proportional to 1,372,509.24, 2,058,896.90 and 425,625.72 is: 638,479.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,509.24 : 2,058,896.90 = 425,625.72 : x
  2. Step 2: Convert to fraction form
    1,372,509.24/2,058,896.90 = 425,625.72/x
  3. Step 3: Cross multiply
    1,372,509.24x = 2,058,896.90 × 425,625.72
  4. Step 4: Simplify right side
    1,372,509.24x = 876,319,475,468.27
  5. Step 5: Solve for x
    x = 876,319,475,468.27/1,372,509.24
  6. Step 6: Final answer
    x = 638,479.84

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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.