Home / 1,371,673.41-1,892,909.05-759,865.78

Finding the Fourth Proportional to 1,371,673.41, 1,892,909.05 and 759,865.78

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Solution

The fourth proportional to 1,371,673.41, 1,892,909.05 and 759,865.78 is: 1,048,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,673.41 : 1,892,909.05 = 759,865.78 : x
  2. Step 2: Convert to fraction form
    1,371,673.41/1,892,909.05 = 759,865.78/x
  3. Step 3: Cross multiply
    1,371,673.41x = 1,892,909.05 × 759,865.78
  4. Step 4: Simplify right side
    1,371,673.41x = 1,438,356,811,747.31
  5. Step 5: Solve for x
    x = 1,438,356,811,747.31/1,371,673.41
  6. Step 6: Final answer
    x = 1,048,614.63

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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.