Home / 1,424,644.56-2,137,077.36-413,782.80

Finding the Fourth Proportional to 1,424,644.56, 2,137,077.36 and 413,782.80

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Solution

The fourth proportional to 1,424,644.56, 2,137,077.36 and 413,782.80 is: 620,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,644.56 : 2,137,077.36 = 413,782.80 : x
  2. Step 2: Convert to fraction form
    1,424,644.56/2,137,077.36 = 413,782.80/x
  3. Step 3: Cross multiply
    1,424,644.56x = 2,137,077.36 × 413,782.80
  4. Step 4: Simplify right side
    1,424,644.56x = 884,285,853,837.41
  5. Step 5: Solve for x
    x = 884,285,853,837.41/1,424,644.56
  6. Step 6: Final answer
    x = 620,706.30

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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.