Home / 1,619,272.08-2,429,748.60-660,431.04

Finding the Fourth Proportional to 1,619,272.08, 2,429,748.60 and 660,431.04

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Solution

The fourth proportional to 1,619,272.08, 2,429,748.60 and 660,431.04 is: 990,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,272.08 : 2,429,748.60 = 660,431.04 : x
  2. Step 2: Convert to fraction form
    1,619,272.08/2,429,748.60 = 660,431.04/x
  3. Step 3: Cross multiply
    1,619,272.08x = 2,429,748.60 × 660,431.04
  4. Step 4: Simplify right side
    1,619,272.08x = 1,604,681,394,836.54
  5. Step 5: Solve for x
    x = 1,604,681,394,836.54/1,619,272.08
  6. Step 6: Final answer
    x = 990,989.36

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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.