Home / 1,747,831.96-2,621,890.20-485,659.72

Finding the Fourth Proportional to 1,747,831.96, 2,621,890.20 and 485,659.72

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Solution

The fourth proportional to 1,747,831.96, 2,621,890.20 and 485,659.72 is: 728,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,831.96 : 2,621,890.20 = 485,659.72 : x
  2. Step 2: Convert to fraction form
    1,747,831.96/2,621,890.20 = 485,659.72/x
  3. Step 3: Cross multiply
    1,747,831.96x = 2,621,890.20 × 485,659.72
  4. Step 4: Simplify right side
    1,747,831.96x = 1,273,346,460,402.74
  5. Step 5: Solve for x
    x = 1,273,346,460,402.74/1,747,831.96
  6. Step 6: Final answer
    x = 728,529.11

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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.