Home / 1,361,770.61-2,042,655.91-415,133.12

Finding the Fourth Proportional to 1,361,770.61, 2,042,655.91 and 415,133.12

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Solution

The fourth proportional to 1,361,770.61, 2,042,655.91 and 415,133.12 is: 622,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,770.61 : 2,042,655.91 = 415,133.12 : x
  2. Step 2: Convert to fraction form
    1,361,770.61/2,042,655.91 = 415,133.12/x
  3. Step 3: Cross multiply
    1,361,770.61x = 2,042,655.91 × 415,133.12
  4. Step 4: Simplify right side
    1,361,770.61x = 847,974,125,073.55
  5. Step 5: Solve for x
    x = 847,974,125,073.55/1,361,770.61
  6. Step 6: Final answer
    x = 622,699.68

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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.