Home / 1,170,115.10-1,752,018.75-764,302.38

Finding the Fourth Proportional to 1,170,115.10, 1,752,018.75 and 764,302.38

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Solution

The fourth proportional to 1,170,115.10, 1,752,018.75 and 764,302.38 is: 1,144,393.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,115.10 : 1,752,018.75 = 764,302.38 : x
  2. Step 2: Convert to fraction form
    1,170,115.10/1,752,018.75 = 764,302.38/x
  3. Step 3: Cross multiply
    1,170,115.10x = 1,752,018.75 × 764,302.38
  4. Step 4: Simplify right side
    1,170,115.10x = 1,339,072,100,429.63
  5. Step 5: Solve for x
    x = 1,339,072,100,429.63/1,170,115.10
  6. Step 6: Final answer
    x = 1,144,393.49

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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.