Home / 1,086,274.69-1,629,564.30-328,030.20

Finding the Fourth Proportional to 1,086,274.69, 1,629,564.30 and 328,030.20

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Solution

The fourth proportional to 1,086,274.69, 1,629,564.30 and 328,030.20 is: 492,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,274.69 : 1,629,564.30 = 328,030.20 : x
  2. Step 2: Convert to fraction form
    1,086,274.69/1,629,564.30 = 328,030.20/x
  3. Step 3: Cross multiply
    1,086,274.69x = 1,629,564.30 × 328,030.20
  4. Step 4: Simplify right side
    1,086,274.69x = 534,546,303,241.86
  5. Step 5: Solve for x
    x = 534,546,303,241.86/1,086,274.69
  6. Step 6: Final answer
    x = 492,091.28

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1.5x scale

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.