Home / 1,379,146-2,068,326.96-580,609.12

Finding the Fourth Proportional to 1,379,146, 2,068,326.96 and 580,609.12

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Solution

The fourth proportional to 1,379,146, 2,068,326.96 and 580,609.12 is: 870,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,146 : 2,068,326.96 = 580,609.12 : x
  2. Step 2: Convert to fraction form
    1,379,146/2,068,326.96 = 580,609.12/x
  3. Step 3: Cross multiply
    1,379,146x = 2,068,326.96 × 580,609.12
  4. Step 4: Simplify right side
    1,379,146x = 1,200,889,496,117.88
  5. Step 5: Solve for x
    x = 1,200,889,496,117.88/1,379,146
  6. Step 6: Final answer
    x = 870,748.63

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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.