Home / 1,085,994.03-1,629,086.77-402,888.79

Finding the Fourth Proportional to 1,085,994.03, 1,629,086.77 and 402,888.79

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Solution

The fourth proportional to 1,085,994.03, 1,629,086.77 and 402,888.79 is: 604,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,994.03 : 1,629,086.77 = 402,888.79 : x
  2. Step 2: Convert to fraction form
    1,085,994.03/1,629,086.77 = 402,888.79/x
  3. Step 3: Cross multiply
    1,085,994.03x = 1,629,086.77 × 402,888.79
  4. Step 4: Simplify right side
    1,085,994.03x = 656,340,800,110.28
  5. Step 5: Solve for x
    x = 656,340,800,110.28/1,085,994.03
  6. Step 6: Final answer
    x = 604,368.70

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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.