Home / 1,208,888.80-1,811,259.60-576,440.80

Finding the Fourth Proportional to 1,208,888.80, 1,811,259.60 and 576,440.80

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Solution

The fourth proportional to 1,208,888.80, 1,811,259.60 and 576,440.80 is: 863,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,888.80 : 1,811,259.60 = 576,440.80 : x
  2. Step 2: Convert to fraction form
    1,208,888.80/1,811,259.60 = 576,440.80/x
  3. Step 3: Cross multiply
    1,208,888.80x = 1,811,259.60 × 576,440.80
  4. Step 4: Simplify right side
    1,208,888.80x = 1,044,083,932,831.68
  5. Step 5: Solve for x
    x = 1,044,083,932,831.68/1,208,888.80
  6. Step 6: Final answer
    x = 863,672.43

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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.