Home / 1,403,713.28-2,105,098.44-456,861.32

Finding the Fourth Proportional to 1,403,713.28, 2,105,098.44 and 456,861.32

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Solution

The fourth proportional to 1,403,713.28, 2,105,098.44 and 456,861.32 is: 685,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,713.28 : 2,105,098.44 = 456,861.32 : x
  2. Step 2: Convert to fraction form
    1,403,713.28/2,105,098.44 = 456,861.32/x
  3. Step 3: Cross multiply
    1,403,713.28x = 2,105,098.44 × 456,861.32
  4. Step 4: Simplify right side
    1,403,713.28x = 961,738,052,028.34
  5. Step 5: Solve for x
    x = 961,738,052,028.34/1,403,713.28
  6. Step 6: Final answer
    x = 685,138.53

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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.