Home / 1,306,295.52-1,959,516.32-407,861.36

Finding the Fourth Proportional to 1,306,295.52, 1,959,516.32 and 407,861.36

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Solution

The fourth proportional to 1,306,295.52, 1,959,516.32 and 407,861.36 is: 611,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,295.52 : 1,959,516.32 = 407,861.36 : x
  2. Step 2: Convert to fraction form
    1,306,295.52/1,959,516.32 = 407,861.36/x
  3. Step 3: Cross multiply
    1,306,295.52x = 1,959,516.32 × 407,861.36
  4. Step 4: Simplify right side
    1,306,295.52x = 799,210,991,217.40
  5. Step 5: Solve for x
    x = 799,210,991,217.40/1,306,295.52
  6. Step 6: Final answer
    x = 611,814.85

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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.