Home / 1,248,688.37-1,723,189.92-675,728.54

Finding the Fourth Proportional to 1,248,688.37, 1,723,189.92 and 675,728.54

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Solution

The fourth proportional to 1,248,688.37, 1,723,189.92 and 675,728.54 is: 932,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,688.37 : 1,723,189.92 = 675,728.54 : x
  2. Step 2: Convert to fraction form
    1,248,688.37/1,723,189.92 = 675,728.54/x
  3. Step 3: Cross multiply
    1,248,688.37x = 1,723,189.92 × 675,728.54
  4. Step 4: Simplify right side
    1,248,688.37x = 1,164,408,608,784.32
  5. Step 5: Solve for x
    x = 1,164,408,608,784.32/1,248,688.37
  6. Step 6: Final answer
    x = 932,505.37

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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.