Home / 1,213,711.32-1,820,567.88-414,998.86

Finding the Fourth Proportional to 1,213,711.32, 1,820,567.88 and 414,998.86

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Solution

The fourth proportional to 1,213,711.32, 1,820,567.88 and 414,998.86 is: 622,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,711.32 : 1,820,567.88 = 414,998.86 : x
  2. Step 2: Convert to fraction form
    1,213,711.32/1,820,567.88 = 414,998.86/x
  3. Step 3: Cross multiply
    1,213,711.32x = 1,820,567.88 × 414,998.86
  4. Step 4: Simplify right side
    1,213,711.32x = 755,533,594,752.62
  5. Step 5: Solve for x
    x = 755,533,594,752.62/1,213,711.32
  6. Step 6: Final answer
    x = 622,498.60

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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.