Home / 1,215,365.80-1,823,048.70-416,540.20

Finding the Fourth Proportional to 1,215,365.80, 1,823,048.70 and 416,540.20

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Solution

The fourth proportional to 1,215,365.80, 1,823,048.70 and 416,540.20 is: 624,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,365.80 : 1,823,048.70 = 416,540.20 : x
  2. Step 2: Convert to fraction form
    1,215,365.80/1,823,048.70 = 416,540.20/x
  3. Step 3: Cross multiply
    1,215,365.80x = 1,823,048.70 × 416,540.20
  4. Step 4: Simplify right side
    1,215,365.80x = 759,373,070,107.74
  5. Step 5: Solve for x
    x = 759,373,070,107.74/1,215,365.80
  6. Step 6: Final answer
    x = 624,810.30

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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.