Home / 999,562.21-1,377,961.03-712,584.07

Finding the Fourth Proportional to 999,562.21, 1,377,961.03 and 712,584.07

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Solution

The fourth proportional to 999,562.21, 1,377,961.03 and 712,584.07 is: 982,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,562.21 : 1,377,961.03 = 712,584.07 : x
  2. Step 2: Convert to fraction form
    999,562.21/1,377,961.03 = 712,584.07/x
  3. Step 3: Cross multiply
    999,562.21x = 1,377,961.03 × 712,584.07
  4. Step 4: Simplify right side
    999,562.21x = 981,913,076,504.62
  5. Step 5: Solve for x
    x = 981,913,076,504.62/999,562.21
  6. Step 6: Final answer
    x = 982,343.14

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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.