Home / 1,542,179.25-2,124,404.71-1,311,999.32

Finding the Fourth Proportional to 1,542,179.25, 2,124,404.71 and 1,311,999.32

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Solution

The fourth proportional to 1,542,179.25, 2,124,404.71 and 1,311,999.32 is: 1,807,323.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,179.25 : 2,124,404.71 = 1,311,999.32 : x
  2. Step 2: Convert to fraction form
    1,542,179.25/2,124,404.71 = 1,311,999.32/x
  3. Step 3: Cross multiply
    1,542,179.25x = 2,124,404.71 × 1,311,999.32
  4. Step 4: Simplify right side
    1,542,179.25x = 2,787,217,536,955.81
  5. Step 5: Solve for x
    x = 2,787,217,536,955.81/1,542,179.25
  6. Step 6: Final answer
    x = 1,807,323.98

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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.