Home / 1,068,910.48-1,603,365.31-429,214.03

Finding the Fourth Proportional to 1,068,910.48, 1,603,365.31 and 429,214.03

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Solution

The fourth proportional to 1,068,910.48, 1,603,365.31 and 429,214.03 is: 643,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,910.48 : 1,603,365.31 = 429,214.03 : x
  2. Step 2: Convert to fraction form
    1,068,910.48/1,603,365.31 = 429,214.03/x
  3. Step 3: Cross multiply
    1,068,910.48x = 1,603,365.31 × 429,214.03
  4. Step 4: Simplify right side
    1,068,910.48x = 688,186,882,049.68
  5. Step 5: Solve for x
    x = 688,186,882,049.68/1,068,910.48
  6. Step 6: Final answer
    x = 643,820.88

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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.