Home / 1,185,464.85-1,778,273.81-416,868.30

Finding the Fourth Proportional to 1,185,464.85, 1,778,273.81 and 416,868.30

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Solution

The fourth proportional to 1,185,464.85, 1,778,273.81 and 416,868.30 is: 625,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,464.85 : 1,778,273.81 = 416,868.30 : x
  2. Step 2: Convert to fraction form
    1,185,464.85/1,778,273.81 = 416,868.30/x
  3. Step 3: Cross multiply
    1,185,464.85x = 1,778,273.81 × 416,868.30
  4. Step 4: Simplify right side
    1,185,464.85x = 741,305,980,109.22
  5. Step 5: Solve for x
    x = 741,305,980,109.22/1,185,464.85
  6. Step 6: Final answer
    x = 625,329.36

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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.