Home / 1,679,661.51-2,519,494.22-417,489.13

Finding the Fourth Proportional to 1,679,661.51, 2,519,494.22 and 417,489.13

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Solution

The fourth proportional to 1,679,661.51, 2,519,494.22 and 417,489.13 is: 626,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,661.51 : 2,519,494.22 = 417,489.13 : x
  2. Step 2: Convert to fraction form
    1,679,661.51/2,519,494.22 = 417,489.13/x
  3. Step 3: Cross multiply
    1,679,661.51x = 2,519,494.22 × 417,489.13
  4. Step 4: Simplify right side
    1,679,661.51x = 1,051,861,449,947.83
  5. Step 5: Solve for x
    x = 1,051,861,449,947.83/1,679,661.51
  6. Step 6: Final answer
    x = 626,234.18

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Double scale
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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.