Home / 1,877,121.35-2,815,943.75-580,379.61

Finding the Fourth Proportional to 1,877,121.35, 2,815,943.75 and 580,379.61

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Solution

The fourth proportional to 1,877,121.35, 2,815,943.75 and 580,379.61 is: 870,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,121.35 : 2,815,943.75 = 580,379.61 : x
  2. Step 2: Convert to fraction form
    1,877,121.35/2,815,943.75 = 580,379.61/x
  3. Step 3: Cross multiply
    1,877,121.35x = 2,815,943.75 × 580,379.61
  4. Step 4: Simplify right side
    1,877,121.35x = 1,634,316,336,857.89
  5. Step 5: Solve for x
    x = 1,634,316,336,857.89/1,877,121.35
  6. Step 6: Final answer
    x = 870,650.34

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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.