Home / 1,819,445.70-2,729,168.55-557,109.30

Finding the Fourth Proportional to 1,819,445.70, 2,729,168.55 and 557,109.30

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Solution

The fourth proportional to 1,819,445.70, 2,729,168.55 and 557,109.30 is: 835,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,445.70 : 2,729,168.55 = 557,109.30 : x
  2. Step 2: Convert to fraction form
    1,819,445.70/2,729,168.55 = 557,109.30/x
  3. Step 3: Cross multiply
    1,819,445.70x = 2,729,168.55 × 557,109.30
  4. Step 4: Simplify right side
    1,819,445.70x = 1,520,445,180,472.52
  5. Step 5: Solve for x
    x = 1,520,445,180,472.52/1,819,445.70
  6. Step 6: Final answer
    x = 835,663.95

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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.