Home / 1,208,491.78-1,812,786.88-498,452.16

Finding the Fourth Proportional to 1,208,491.78, 1,812,786.88 and 498,452.16

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Solution

The fourth proportional to 1,208,491.78, 1,812,786.88 and 498,452.16 is: 747,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,491.78 : 1,812,786.88 = 498,452.16 : x
  2. Step 2: Convert to fraction form
    1,208,491.78/1,812,786.88 = 498,452.16/x
  3. Step 3: Cross multiply
    1,208,491.78x = 1,812,786.88 × 498,452.16
  4. Step 4: Simplify right side
    1,208,491.78x = 903,587,535,955.66
  5. Step 5: Solve for x
    x = 903,587,535,955.66/1,208,491.78
  6. Step 6: Final answer
    x = 747,698.54

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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.