Home / 1,361,480.20-2,042,001.60-414,630.70

Finding the Fourth Proportional to 1,361,480.20, 2,042,001.60 and 414,630.70

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Solution

The fourth proportional to 1,361,480.20, 2,042,001.60 and 414,630.70 is: 621,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,480.20 : 2,042,001.60 = 414,630.70 : x
  2. Step 2: Convert to fraction form
    1,361,480.20/2,042,001.60 = 414,630.70/x
  3. Step 3: Cross multiply
    1,361,480.20x = 2,042,001.60 × 414,630.70
  4. Step 4: Simplify right side
    1,361,480.20x = 846,676,552,809.12
  5. Step 5: Solve for x
    x = 846,676,552,809.12/1,361,480.20
  6. Step 6: Final answer
    x = 621,879.45

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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.