Home / 1,214,559.76-1,820,620.50-415,294.72

Finding the Fourth Proportional to 1,214,559.76, 1,820,620.50 and 415,294.72

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Solution

The fourth proportional to 1,214,559.76, 1,820,620.50 and 415,294.72 is: 622,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,559.76 : 1,820,620.50 = 415,294.72 : x
  2. Step 2: Convert to fraction form
    1,214,559.76/1,820,620.50 = 415,294.72/x
  3. Step 3: Cross multiply
    1,214,559.76x = 1,820,620.50 × 415,294.72
  4. Step 4: Simplify right side
    1,214,559.76x = 756,094,080,773.76
  5. Step 5: Solve for x
    x = 756,094,080,773.76/1,214,559.76
  6. Step 6: Final answer
    x = 622,525.22

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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.