Home / 1,003,432.05-1,505,563.61-554,112.90

Finding the Fourth Proportional to 1,003,432.05, 1,505,563.61 and 554,112.90

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Solution

The fourth proportional to 1,003,432.05, 1,505,563.61 and 554,112.90 is: 831,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,432.05 : 1,505,563.61 = 554,112.90 : x
  2. Step 2: Convert to fraction form
    1,003,432.05/1,505,563.61 = 554,112.90/x
  3. Step 3: Cross multiply
    1,003,432.05x = 1,505,563.61 × 554,112.90
  4. Step 4: Simplify right side
    1,003,432.05x = 834,252,215,301.01
  5. Step 5: Solve for x
    x = 834,252,215,301.01/1,003,432.05
  6. Step 6: Final answer
    x = 831,398.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.