Home / 1,269,340.78-1,904,015.62-322,711.60

Finding the Fourth Proportional to 1,269,340.78, 1,904,015.62 and 322,711.60

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Solution

The fourth proportional to 1,269,340.78, 1,904,015.62 and 322,711.60 is: 484,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,340.78 : 1,904,015.62 = 322,711.60 : x
  2. Step 2: Convert to fraction form
    1,269,340.78/1,904,015.62 = 322,711.60/x
  3. Step 3: Cross multiply
    1,269,340.78x = 1,904,015.62 × 322,711.60
  4. Step 4: Simplify right side
    1,269,340.78x = 614,447,927,155.19
  5. Step 5: Solve for x
    x = 614,447,927,155.19/1,269,340.78
  6. Step 6: Final answer
    x = 484,068.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.