Home / 1,265,711.45-1,898,325.25-379,247.45

Finding the Fourth Proportional to 1,265,711.45, 1,898,325.25 and 379,247.45

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Solution

The fourth proportional to 1,265,711.45, 1,898,325.25 and 379,247.45 is: 568,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,711.45 : 1,898,325.25 = 379,247.45 : x
  2. Step 2: Convert to fraction form
    1,265,711.45/1,898,325.25 = 379,247.45/x
  3. Step 3: Cross multiply
    1,265,711.45x = 1,898,325.25 × 379,247.45
  4. Step 4: Simplify right side
    1,265,711.45x = 719,934,999,893.37
  5. Step 5: Solve for x
    x = 719,934,999,893.37/1,265,711.45
  6. Step 6: Final answer
    x = 568,798.68

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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.