Home / 1,380,331.20-1,904,364.08-799,237.19

Finding the Fourth Proportional to 1,380,331.20, 1,904,364.08 and 799,237.19

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Solution

The fourth proportional to 1,380,331.20, 1,904,364.08 and 799,237.19 is: 1,102,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,331.20 : 1,904,364.08 = 799,237.19 : x
  2. Step 2: Convert to fraction form
    1,380,331.20/1,904,364.08 = 799,237.19/x
  3. Step 3: Cross multiply
    1,380,331.20x = 1,904,364.08 × 799,237.19
  4. Step 4: Simplify right side
    1,380,331.20x = 1,522,038,586,862.53
  5. Step 5: Solve for x
    x = 1,522,038,586,862.53/1,380,331.20
  6. Step 6: Final answer
    x = 1,102,661.87

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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.