Home / 1,086,438.21-1,499,273.71-603,007.53

Finding the Fourth Proportional to 1,086,438.21, 1,499,273.71 and 603,007.53

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Solution

The fourth proportional to 1,086,438.21, 1,499,273.71 and 603,007.53 is: 832,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,438.21 : 1,499,273.71 = 603,007.53 : x
  2. Step 2: Convert to fraction form
    1,086,438.21/1,499,273.71 = 603,007.53/x
  3. Step 3: Cross multiply
    1,086,438.21x = 1,499,273.71 × 603,007.53
  4. Step 4: Simplify right side
    1,086,438.21x = 904,073,336,661.04
  5. Step 5: Solve for x
    x = 904,073,336,661.04/1,086,438.21
  6. Step 6: Final answer
    x = 832,144.28

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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.