Home / 1,210,469.10-1,815,703.65-804,561.90

Finding the Fourth Proportional to 1,210,469.10, 1,815,703.65 and 804,561.90

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Solution

The fourth proportional to 1,210,469.10, 1,815,703.65 and 804,561.90 is: 1,206,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,469.10 : 1,815,703.65 = 804,561.90 : x
  2. Step 2: Convert to fraction form
    1,210,469.10/1,815,703.65 = 804,561.90/x
  3. Step 3: Cross multiply
    1,210,469.10x = 1,815,703.65 × 804,561.90
  4. Step 4: Simplify right side
    1,210,469.10x = 1,460,845,978,480.94
  5. Step 5: Solve for x
    x = 1,460,845,978,480.94/1,210,469.10
  6. Step 6: Final answer
    x = 1,206,842.85

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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.