Home / 1,380,350.45-1,904,390.55-799,256.45

Finding the Fourth Proportional to 1,380,350.45, 1,904,390.55 and 799,256.45

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Solution

The fourth proportional to 1,380,350.45, 1,904,390.55 and 799,256.45 is: 1,102,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,350.45 : 1,904,390.55 = 799,256.45 : x
  2. Step 2: Convert to fraction form
    1,380,350.45/1,904,390.55 = 799,256.45/x
  3. Step 3: Cross multiply
    1,380,350.45x = 1,904,390.55 × 799,256.45
  4. Step 4: Simplify right side
    1,380,350.45x = 1,522,096,420,884.59
  5. Step 5: Solve for x
    x = 1,522,096,420,884.59/1,380,350.45
  6. Step 6: Final answer
    x = 1,102,688.40

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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.