Home / 1,356,871.44-1,872,349.96-783,899.32

Finding the Fourth Proportional to 1,356,871.44, 1,872,349.96 and 783,899.32

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Solution

The fourth proportional to 1,356,871.44, 1,872,349.96 and 783,899.32 is: 1,081,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,871.44 : 1,872,349.96 = 783,899.32 : x
  2. Step 2: Convert to fraction form
    1,356,871.44/1,872,349.96 = 783,899.32/x
  3. Step 3: Cross multiply
    1,356,871.44x = 1,872,349.96 × 783,899.32
  4. Step 4: Simplify right side
    1,356,871.44x = 1,467,733,860,446.03
  5. Step 5: Solve for x
    x = 1,467,733,860,446.03/1,356,871.44
  6. Step 6: Final answer
    x = 1,081,704.44

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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.