Home / 1,284,981.71-1,773,274.19-768,757.43

Finding the Fourth Proportional to 1,284,981.71, 1,773,274.19 and 768,757.43

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Solution

The fourth proportional to 1,284,981.71, 1,773,274.19 and 768,757.43 is: 1,060,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,981.71 : 1,773,274.19 = 768,757.43 : x
  2. Step 2: Convert to fraction form
    1,284,981.71/1,773,274.19 = 768,757.43/x
  3. Step 3: Cross multiply
    1,284,981.71x = 1,773,274.19 × 768,757.43
  4. Step 4: Simplify right side
    1,284,981.71x = 1,363,217,709,579.13
  5. Step 5: Solve for x
    x = 1,363,217,709,579.13/1,284,981.71
  6. Step 6: Final answer
    x = 1,060,884.92

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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.