Home / 1,434,733.32-1,979,982.72-790,202.55

Finding the Fourth Proportional to 1,434,733.32, 1,979,982.72 and 790,202.55

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Solution

The fourth proportional to 1,434,733.32, 1,979,982.72 and 790,202.55 is: 1,090,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,733.32 : 1,979,982.72 = 790,202.55 : x
  2. Step 2: Convert to fraction form
    1,434,733.32/1,979,982.72 = 790,202.55/x
  3. Step 3: Cross multiply
    1,434,733.32x = 1,979,982.72 × 790,202.55
  4. Step 4: Simplify right side
    1,434,733.32x = 1,564,587,394,299.94
  5. Step 5: Solve for x
    x = 1,564,587,394,299.94/1,434,733.32
  6. Step 6: Final answer
    x = 1,090,507.46

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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.