Home / 1,413,340.80-2,120,062.40-416,169.60

Finding the Fourth Proportional to 1,413,340.80, 2,120,062.40 and 416,169.60

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Solution

The fourth proportional to 1,413,340.80, 2,120,062.40 and 416,169.60 is: 624,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,340.80 : 2,120,062.40 = 416,169.60 : x
  2. Step 2: Convert to fraction form
    1,413,340.80/2,120,062.40 = 416,169.60/x
  3. Step 3: Cross multiply
    1,413,340.80x = 2,120,062.40 × 416,169.60
  4. Step 4: Simplify right side
    1,413,340.80x = 882,305,520,983.04
  5. Step 5: Solve for x
    x = 882,305,520,983.04/1,413,340.80
  6. Step 6: Final answer
    x = 624,269.48

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1.5x scale

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.