Home / 1,211,740.62-1,817,615.25-370,288.86

Finding the Fourth Proportional to 1,211,740.62, 1,817,615.25 and 370,288.86

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Solution

The fourth proportional to 1,211,740.62, 1,817,615.25 and 370,288.86 is: 555,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,740.62 : 1,817,615.25 = 370,288.86 : x
  2. Step 2: Convert to fraction form
    1,211,740.62/1,817,615.25 = 370,288.86/x
  3. Step 3: Cross multiply
    1,211,740.62x = 1,817,615.25 × 370,288.86
  4. Step 4: Simplify right side
    1,211,740.62x = 673,042,678,841.12
  5. Step 5: Solve for x
    x = 673,042,678,841.12/1,211,740.62
  6. Step 6: Final answer
    x = 555,434.61

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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.