Home / 1,151,101.08-1,589,522.40-722,118.60

Finding the Fourth Proportional to 1,151,101.08, 1,589,522.40 and 722,118.60

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Solution

The fourth proportional to 1,151,101.08, 1,589,522.40 and 722,118.60 is: 997,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,101.08 : 1,589,522.40 = 722,118.60 : x
  2. Step 2: Convert to fraction form
    1,151,101.08/1,589,522.40 = 722,118.60/x
  3. Step 3: Cross multiply
    1,151,101.08x = 1,589,522.40 × 722,118.60
  4. Step 4: Simplify right side
    1,151,101.08x = 1,147,823,690,156.64
  5. Step 5: Solve for x
    x = 1,147,823,690,156.64/1,151,101.08
  6. Step 6: Final answer
    x = 997,152.82

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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.