Home / 1,202,771.10-1,804,200.21-404,078.70

Finding the Fourth Proportional to 1,202,771.10, 1,804,200.21 and 404,078.70

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Solution

The fourth proportional to 1,202,771.10, 1,804,200.21 and 404,078.70 is: 606,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,771.10 : 1,804,200.21 = 404,078.70 : x
  2. Step 2: Convert to fraction form
    1,202,771.10/1,804,200.21 = 404,078.70/x
  3. Step 3: Cross multiply
    1,202,771.10x = 1,804,200.21 × 404,078.70
  4. Step 4: Simplify right side
    1,202,771.10x = 729,038,875,396.53
  5. Step 5: Solve for x
    x = 729,038,875,396.53/1,202,771.10
  6. Step 6: Final answer
    x = 606,132.68

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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.