Home / 1,210,245.90-1,815,174.45-368,601.90

Finding the Fourth Proportional to 1,210,245.90, 1,815,174.45 and 368,601.90

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Solution

The fourth proportional to 1,210,245.90, 1,815,174.45 and 368,601.90 is: 552,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,245.90 : 1,815,174.45 = 368,601.90 : x
  2. Step 2: Convert to fraction form
    1,210,245.90/1,815,174.45 = 368,601.90/x
  3. Step 3: Cross multiply
    1,210,245.90x = 1,815,174.45 × 368,601.90
  4. Step 4: Simplify right side
    1,210,245.90x = 669,076,751,101.46
  5. Step 5: Solve for x
    x = 669,076,751,101.46/1,210,245.90
  6. Step 6: Final answer
    x = 552,843.64

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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.