Home / 1,113,442.77-1,668,014.82-664,522.14

Finding the Fourth Proportional to 1,113,442.77, 1,668,014.82 and 664,522.14

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Solution

The fourth proportional to 1,113,442.77, 1,668,014.82 and 664,522.14 is: 995,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,442.77 : 1,668,014.82 = 664,522.14 : x
  2. Step 2: Convert to fraction form
    1,113,442.77/1,668,014.82 = 664,522.14/x
  3. Step 3: Cross multiply
    1,113,442.77x = 1,668,014.82 × 664,522.14
  4. Step 4: Simplify right side
    1,113,442.77x = 1,108,432,777,738.11
  5. Step 5: Solve for x
    x = 1,108,432,777,738.11/1,113,442.77
  6. Step 6: Final answer
    x = 995,500.45

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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.