Home / 1,207,016.82-1,664,990.34-753,520.50

Finding the Fourth Proportional to 1,207,016.82, 1,664,990.34 and 753,520.50

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Solution

The fourth proportional to 1,207,016.82, 1,664,990.34 and 753,520.50 is: 1,039,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,016.82 : 1,664,990.34 = 753,520.50 : x
  2. Step 2: Convert to fraction form
    1,207,016.82/1,664,990.34 = 753,520.50/x
  3. Step 3: Cross multiply
    1,207,016.82x = 1,664,990.34 × 753,520.50
  4. Step 4: Simplify right side
    1,207,016.82x = 1,254,604,353,491.97
  5. Step 5: Solve for x
    x = 1,254,604,353,491.97/1,207,016.82
  6. Step 6: Final answer
    x = 1,039,425.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.