Home / 1,230,813.80-1,696,003.62-908,013.80

Finding the Fourth Proportional to 1,230,813.80, 1,696,003.62 and 908,013.80

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Solution

The fourth proportional to 1,230,813.80, 1,696,003.62 and 908,013.80 is: 1,251,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,813.80 : 1,696,003.62 = 908,013.80 : x
  2. Step 2: Convert to fraction form
    1,230,813.80/1,696,003.62 = 908,013.80/x
  3. Step 3: Cross multiply
    1,230,813.80x = 1,696,003.62 × 908,013.80
  4. Step 4: Simplify right side
    1,230,813.80x = 1,539,994,691,809.96
  5. Step 5: Solve for x
    x = 1,539,994,691,809.96/1,230,813.80
  6. Step 6: Final answer
    x = 1,251,200.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.