Home / 1,117,900.20-1,676,850.30-1,068,911.40

Finding the Fourth Proportional to 1,117,900.20, 1,676,850.30 and 1,068,911.40

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Solution

The fourth proportional to 1,117,900.20, 1,676,850.30 and 1,068,911.40 is: 1,603,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,900.20 : 1,676,850.30 = 1,068,911.40 : x
  2. Step 2: Convert to fraction form
    1,117,900.20/1,676,850.30 = 1,068,911.40/x
  3. Step 3: Cross multiply
    1,117,900.20x = 1,676,850.30 × 1,068,911.40
  4. Step 4: Simplify right side
    1,117,900.20x = 1,792,404,401,763.42
  5. Step 5: Solve for x
    x = 1,792,404,401,763.42/1,117,900.20
  6. Step 6: Final answer
    x = 1,603,367.10

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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.