Home / 1,662,468.86-2,493,703.21-764,665.72

Finding the Fourth Proportional to 1,662,468.86, 2,493,703.21 and 764,665.72

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Solution

The fourth proportional to 1,662,468.86, 2,493,703.21 and 764,665.72 is: 1,146,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,468.86 : 2,493,703.21 = 764,665.72 : x
  2. Step 2: Convert to fraction form
    1,662,468.86/2,493,703.21 = 764,665.72/x
  3. Step 3: Cross multiply
    1,662,468.86x = 2,493,703.21 × 764,665.72
  4. Step 4: Simplify right side
    1,662,468.86x = 1,906,849,353,828.79
  5. Step 5: Solve for x
    x = 1,906,849,353,828.79/1,662,468.86
  6. Step 6: Final answer
    x = 1,146,998.54

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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.