Home / 1,458,259.80-2,187,389.70-817,906.20

Finding the Fourth Proportional to 1,458,259.80, 2,187,389.70 and 817,906.20

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Solution

The fourth proportional to 1,458,259.80, 2,187,389.70 and 817,906.20 is: 1,226,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,259.80 : 2,187,389.70 = 817,906.20 : x
  2. Step 2: Convert to fraction form
    1,458,259.80/2,187,389.70 = 817,906.20/x
  3. Step 3: Cross multiply
    1,458,259.80x = 2,187,389.70 × 817,906.20
  4. Step 4: Simplify right side
    1,458,259.80x = 1,789,079,597,446.14
  5. Step 5: Solve for x
    x = 1,789,079,597,446.14/1,458,259.80
  6. Step 6: Final answer
    x = 1,226,859.30

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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.