Home / 1,679,664.26-2,519,498.34-417,491.88

Finding the Fourth Proportional to 1,679,664.26, 2,519,498.34 and 417,491.88

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Solution

The fourth proportional to 1,679,664.26, 2,519,498.34 and 417,491.88 is: 626,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,664.26 : 2,519,498.34 = 417,491.88 : x
  2. Step 2: Convert to fraction form
    1,679,664.26/2,519,498.34 = 417,491.88/x
  3. Step 3: Cross multiply
    1,679,664.26x = 2,519,498.34 × 417,491.88
  4. Step 4: Simplify right side
    1,679,664.26x = 1,051,870,098,623.48
  5. Step 5: Solve for x
    x = 1,051,870,098,623.48/1,679,664.26
  6. Step 6: Final answer
    x = 626,238.31

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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.