Home / 1,434,025.46-2,151,097.54-423,147.38

Finding the Fourth Proportional to 1,434,025.46, 2,151,097.54 and 423,147.38

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Solution

The fourth proportional to 1,434,025.46, 2,151,097.54 and 423,147.38 is: 634,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,025.46 : 2,151,097.54 = 423,147.38 : x
  2. Step 2: Convert to fraction form
    1,434,025.46/2,151,097.54 = 423,147.38/x
  3. Step 3: Cross multiply
    1,434,025.46x = 2,151,097.54 × 423,147.38
  4. Step 4: Simplify right side
    1,434,025.46x = 910,231,276,362.09
  5. Step 5: Solve for x
    x = 910,231,276,362.09/1,434,025.46
  6. Step 6: Final answer
    x = 634,738.57

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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.