Home / 1,646,210.40-2,469,315.60-699,458.10

Finding the Fourth Proportional to 1,646,210.40, 2,469,315.60 and 699,458.10

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Solution

The fourth proportional to 1,646,210.40, 2,469,315.60 and 699,458.10 is: 1,049,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,210.40 : 2,469,315.60 = 699,458.10 : x
  2. Step 2: Convert to fraction form
    1,646,210.40/2,469,315.60 = 699,458.10/x
  3. Step 3: Cross multiply
    1,646,210.40x = 2,469,315.60 × 699,458.10
  4. Step 4: Simplify right side
    1,646,210.40x = 1,727,182,797,876.36
  5. Step 5: Solve for x
    x = 1,727,182,797,876.36/1,646,210.40
  6. Step 6: Final answer
    x = 1,049,187.15

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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.