Home / 1,103,660.42-1,522,914.71-638,594.24

Finding the Fourth Proportional to 1,103,660.42, 1,522,914.71 and 638,594.24

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Solution

The fourth proportional to 1,103,660.42, 1,522,914.71 and 638,594.24 is: 881,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,660.42 : 1,522,914.71 = 638,594.24 : x
  2. Step 2: Convert to fraction form
    1,103,660.42/1,522,914.71 = 638,594.24/x
  3. Step 3: Cross multiply
    1,103,660.42x = 1,522,914.71 × 638,594.24
  4. Step 4: Simplify right side
    1,103,660.42x = 972,524,551,009.73
  5. Step 5: Solve for x
    x = 972,524,551,009.73/1,103,660.42
  6. Step 6: Final answer
    x = 881,180.97

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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.