Home / 1,590,175.75-2,194,440.87-865,021.74

Finding the Fourth Proportional to 1,590,175.75, 2,194,440.87 and 865,021.74

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Solution

The fourth proportional to 1,590,175.75, 2,194,440.87 and 865,021.74 is: 1,193,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,175.75 : 2,194,440.87 = 865,021.74 : x
  2. Step 2: Convert to fraction form
    1,590,175.75/2,194,440.87 = 865,021.74/x
  3. Step 3: Cross multiply
    1,590,175.75x = 2,194,440.87 × 865,021.74
  4. Step 4: Simplify right side
    1,590,175.75x = 1,898,239,052,276.32
  5. Step 5: Solve for x
    x = 1,898,239,052,276.32/1,590,175.75
  6. Step 6: Final answer
    x = 1,193,729.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.