Home / 1,110,555.50-1,665,934.89-311,831.64

Finding the Fourth Proportional to 1,110,555.50, 1,665,934.89 and 311,831.64

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Solution

The fourth proportional to 1,110,555.50, 1,665,934.89 and 311,831.64 is: 467,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,555.50 : 1,665,934.89 = 311,831.64 : x
  2. Step 2: Convert to fraction form
    1,110,555.50/1,665,934.89 = 311,831.64/x
  3. Step 3: Cross multiply
    1,110,555.50x = 1,665,934.89 × 311,831.64
  4. Step 4: Simplify right side
    1,110,555.50x = 519,491,208,881.92
  5. Step 5: Solve for x
    x = 519,491,208,881.92/1,110,555.50
  6. Step 6: Final answer
    x = 467,776.00

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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.