Home / 1,425,513.91-1,967,258.40-780,933.94

Finding the Fourth Proportional to 1,425,513.91, 1,967,258.40 and 780,933.94

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Solution

The fourth proportional to 1,425,513.91, 1,967,258.40 and 780,933.94 is: 1,077,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,513.91 : 1,967,258.40 = 780,933.94 : x
  2. Step 2: Convert to fraction form
    1,425,513.91/1,967,258.40 = 780,933.94/x
  3. Step 3: Cross multiply
    1,425,513.91x = 1,967,258.40 × 780,933.94
  4. Step 4: Simplify right side
    1,425,513.91x = 1,536,298,853,310.10
  5. Step 5: Solve for x
    x = 1,536,298,853,310.10/1,425,513.91
  6. Step 6: Final answer
    x = 1,077,715.79

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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.