Home / 1,129,318.68-1,557,775.62-670,131.30

Finding the Fourth Proportional to 1,129,318.68, 1,557,775.62 and 670,131.30

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Solution

The fourth proportional to 1,129,318.68, 1,557,775.62 and 670,131.30 is: 924,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,318.68 : 1,557,775.62 = 670,131.30 : x
  2. Step 2: Convert to fraction form
    1,129,318.68/1,557,775.62 = 670,131.30/x
  3. Step 3: Cross multiply
    1,129,318.68x = 1,557,775.62 × 670,131.30
  4. Step 4: Simplify right side
    1,129,318.68x = 1,043,914,201,338.91
  5. Step 5: Solve for x
    x = 1,043,914,201,338.91/1,129,318.68
  6. Step 6: Final answer
    x = 924,375.22

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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.