Home / 1,259,785.06-1,890,461.26-511,831.06

Finding the Fourth Proportional to 1,259,785.06, 1,890,461.26 and 511,831.06

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Solution

The fourth proportional to 1,259,785.06, 1,890,461.26 and 511,831.06 is: 768,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,785.06 : 1,890,461.26 = 511,831.06 : x
  2. Step 2: Convert to fraction form
    1,259,785.06/1,890,461.26 = 511,831.06/x
  3. Step 3: Cross multiply
    1,259,785.06x = 1,890,461.26 × 511,831.06
  4. Step 4: Simplify right side
    1,259,785.06x = 967,596,790,594.74
  5. Step 5: Solve for x
    x = 967,596,790,594.74/1,259,785.06
  6. Step 6: Final answer
    x = 768,064.98

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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.