Home / 1,147,076.31-1,719,608.43-436,631.79

Finding the Fourth Proportional to 1,147,076.31, 1,719,608.43 and 436,631.79

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Solution

The fourth proportional to 1,147,076.31, 1,719,608.43 and 436,631.79 is: 654,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,076.31 : 1,719,608.43 = 436,631.79 : x
  2. Step 2: Convert to fraction form
    1,147,076.31/1,719,608.43 = 436,631.79/x
  3. Step 3: Cross multiply
    1,147,076.31x = 1,719,608.43 × 436,631.79
  4. Step 4: Simplify right side
    1,147,076.31x = 750,835,706,889.99
  5. Step 5: Solve for x
    x = 750,835,706,889.99/1,147,076.31
  6. Step 6: Final answer
    x = 654,564.74

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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.