Home / 1,491,838.72-2,058,777.48-812,818.96

Finding the Fourth Proportional to 1,491,838.72, 2,058,777.48 and 812,818.96

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Solution

The fourth proportional to 1,491,838.72, 2,058,777.48 and 812,818.96 is: 1,121,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,838.72 : 2,058,777.48 = 812,818.96 : x
  2. Step 2: Convert to fraction form
    1,491,838.72/2,058,777.48 = 812,818.96/x
  3. Step 3: Cross multiply
    1,491,838.72x = 2,058,777.48 × 812,818.96
  4. Step 4: Simplify right side
    1,491,838.72x = 1,673,413,370,165.02
  5. Step 5: Solve for x
    x = 1,673,413,370,165.02/1,491,838.72
  6. Step 6: Final answer
    x = 1,121,711.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.