Home / 1,211,659.01-1,817,815.77-370,187.81

Finding the Fourth Proportional to 1,211,659.01, 1,817,815.77 and 370,187.81

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Solution

The fourth proportional to 1,211,659.01, 1,817,815.77 and 370,187.81 is: 555,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,659.01 : 1,817,815.77 = 370,187.81 : x
  2. Step 2: Convert to fraction form
    1,211,659.01/1,817,815.77 = 370,187.81/x
  3. Step 3: Cross multiply
    1,211,659.01x = 1,817,815.77 × 370,187.81
  4. Step 4: Simplify right side
    1,211,659.01x = 672,933,229,790.69
  5. Step 5: Solve for x
    x = 672,933,229,790.69/1,211,659.01
  6. Step 6: Final answer
    x = 555,381.69

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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.