Home / 1,692,842.72-2,539,303.05-413,460.82

Finding the Fourth Proportional to 1,692,842.72, 2,539,303.05 and 413,460.82

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Solution

The fourth proportional to 1,692,842.72, 2,539,303.05 and 413,460.82 is: 620,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,842.72 : 2,539,303.05 = 413,460.82 : x
  2. Step 2: Convert to fraction form
    1,692,842.72/2,539,303.05 = 413,460.82/x
  3. Step 3: Cross multiply
    1,692,842.72x = 2,539,303.05 × 413,460.82
  4. Step 4: Simplify right side
    1,692,842.72x = 1,049,902,306,517.68
  5. Step 5: Solve for x
    x = 1,049,902,306,517.68/1,692,842.72
  6. Step 6: Final answer
    x = 620,200.74

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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.