Home / 1,208,324.80-1,813,143.30-498,424.60

Finding the Fourth Proportional to 1,208,324.80, 1,813,143.30 and 498,424.60

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Solution

The fourth proportional to 1,208,324.80, 1,813,143.30 and 498,424.60 is: 747,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,324.80 : 1,813,143.30 = 498,424.60 : x
  2. Step 2: Convert to fraction form
    1,208,324.80/1,813,143.30 = 498,424.60/x
  3. Step 3: Cross multiply
    1,208,324.80x = 1,813,143.30 × 498,424.60
  4. Step 4: Simplify right side
    1,208,324.80x = 903,715,224,045.18
  5. Step 5: Solve for x
    x = 903,715,224,045.18/1,208,324.80
  6. Step 6: Final answer
    x = 747,907.54

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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.