Home / 1,673,401.35-2,309,311.76-909,454.95

Finding the Fourth Proportional to 1,673,401.35, 2,309,311.76 and 909,454.95

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Solution

The fourth proportional to 1,673,401.35, 2,309,311.76 and 909,454.95 is: 1,255,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,401.35 : 2,309,311.76 = 909,454.95 : x
  2. Step 2: Convert to fraction form
    1,673,401.35/2,309,311.76 = 909,454.95/x
  3. Step 3: Cross multiply
    1,673,401.35x = 2,309,311.76 × 909,454.95
  4. Step 4: Simplify right side
    1,673,401.35x = 2,100,215,006,677.94
  5. Step 5: Solve for x
    x = 2,100,215,006,677.94/1,673,401.35
  6. Step 6: Final answer
    x = 1,255,057.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.