Home / 1,288,505.22-1,778,174.52-737,310.58

Finding the Fourth Proportional to 1,288,505.22, 1,778,174.52 and 737,310.58

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Solution

The fourth proportional to 1,288,505.22, 1,778,174.52 and 737,310.58 is: 1,017,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,505.22 : 1,778,174.52 = 737,310.58 : x
  2. Step 2: Convert to fraction form
    1,288,505.22/1,778,174.52 = 737,310.58/x
  3. Step 3: Cross multiply
    1,288,505.22x = 1,778,174.52 × 737,310.58
  4. Step 4: Simplify right side
    1,288,505.22x = 1,311,066,886,682.42
  5. Step 5: Solve for x
    x = 1,311,066,886,682.42/1,288,505.22
  6. Step 6: Final answer
    x = 1,017,509.95

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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.