Home / 1,426,773.70-1,968,905.09-782,171.86

Finding the Fourth Proportional to 1,426,773.70, 1,968,905.09 and 782,171.86

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Solution

The fourth proportional to 1,426,773.70, 1,968,905.09 and 782,171.86 is: 1,079,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,773.70 : 1,968,905.09 = 782,171.86 : x
  2. Step 2: Convert to fraction form
    1,426,773.70/1,968,905.09 = 782,171.86/x
  3. Step 3: Cross multiply
    1,426,773.70x = 1,968,905.09 × 782,171.86
  4. Step 4: Simplify right side
    1,426,773.70x = 1,540,022,156,408.77
  5. Step 5: Solve for x
    x = 1,540,022,156,408.77/1,426,773.70
  6. Step 6: Final answer
    x = 1,079,373.80

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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.