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Finding the Fourth Proportional to 1,619,703, 2,235,190.32 and 940,683.24

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Solution

The fourth proportional to 1,619,703, 2,235,190.32 and 940,683.24 is: 1,298,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,703 : 2,235,190.32 = 940,683.24 : x
  2. Step 2: Convert to fraction form
    1,619,703/2,235,190.32 = 940,683.24/x
  3. Step 3: Cross multiply
    1,619,703x = 2,235,190.32 × 940,683.24
  4. Step 4: Simplify right side
    1,619,703x = 2,102,606,072,234.24
  5. Step 5: Solve for x
    x = 2,102,606,072,234.24/1,619,703
  6. Step 6: Final answer
    x = 1,298,142.98

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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.