Home / 1,109,743.70-1,664,615.55-435,600.95

Finding the Fourth Proportional to 1,109,743.70, 1,664,615.55 and 435,600.95

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Solution

The fourth proportional to 1,109,743.70, 1,664,615.55 and 435,600.95 is: 653,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,743.70 : 1,664,615.55 = 435,600.95 : x
  2. Step 2: Convert to fraction form
    1,109,743.70/1,664,615.55 = 435,600.95/x
  3. Step 3: Cross multiply
    1,109,743.70x = 1,664,615.55 × 435,600.95
  4. Step 4: Simplify right side
    1,109,743.70x = 725,108,114,964.77
  5. Step 5: Solve for x
    x = 725,108,114,964.77/1,109,743.70
  6. Step 6: Final answer
    x = 653,401.43

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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.