Home / 1,380,194.44-1,904,664.18-776,582.92

Finding the Fourth Proportional to 1,380,194.44, 1,904,664.18 and 776,582.92

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Solution

The fourth proportional to 1,380,194.44, 1,904,664.18 and 776,582.92 is: 1,071,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,194.44 : 1,904,664.18 = 776,582.92 : x
  2. Step 2: Convert to fraction form
    1,380,194.44/1,904,664.18 = 776,582.92/x
  3. Step 3: Cross multiply
    1,380,194.44x = 1,904,664.18 × 776,582.92
  4. Step 4: Simplify right side
    1,380,194.44x = 1,479,129,670,523.81
  5. Step 5: Solve for x
    x = 1,479,129,670,523.81/1,380,194.44
  6. Step 6: Final answer
    x = 1,071,682.10

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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.