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Finding the Fourth Proportional to 1,496,660, 2,245,009.42 and 499,388

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Solution

The fourth proportional to 1,496,660, 2,245,009.42 and 499,388 is: 749,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,660 : 2,245,009.42 = 499,388 : x
  2. Step 2: Convert to fraction form
    1,496,660/2,245,009.42 = 499,388/x
  3. Step 3: Cross multiply
    1,496,660x = 2,245,009.42 × 499,388
  4. Step 4: Simplify right side
    1,496,660x = 1,121,130,764,234.96
  5. Step 5: Solve for x
    x = 1,121,130,764,234.96/1,496,660
  6. Step 6: Final answer
    x = 749,088.48

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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.