Home / 1,288,535.46-1,932,800.76-341,831.76

Finding the Fourth Proportional to 1,288,535.46, 1,932,800.76 and 341,831.76

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Solution

The fourth proportional to 1,288,535.46, 1,932,800.76 and 341,831.76 is: 512,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,535.46 : 1,932,800.76 = 341,831.76 : x
  2. Step 2: Convert to fraction form
    1,288,535.46/1,932,800.76 = 341,831.76/x
  3. Step 3: Cross multiply
    1,288,535.46x = 1,932,800.76 × 341,831.76
  4. Step 4: Simplify right side
    1,288,535.46x = 660,692,685,520.14
  5. Step 5: Solve for x
    x = 660,692,685,520.14/1,288,535.46
  6. Step 6: Final answer
    x = 512,747.00

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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.