Home / 1,294,416.78-1,941,715.08-395,789.40

Finding the Fourth Proportional to 1,294,416.78, 1,941,715.08 and 395,789.40

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Solution

The fourth proportional to 1,294,416.78, 1,941,715.08 and 395,789.40 is: 593,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,416.78 : 1,941,715.08 = 395,789.40 : x
  2. Step 2: Convert to fraction form
    1,294,416.78/1,941,715.08 = 395,789.40/x
  3. Step 3: Cross multiply
    1,294,416.78x = 1,941,715.08 × 395,789.40
  4. Step 4: Simplify right side
    1,294,416.78x = 768,510,246,484.15
  5. Step 5: Solve for x
    x = 768,510,246,484.15/1,294,416.78
  6. Step 6: Final answer
    x = 593,711.59

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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.