Home / 1,042,190.10-1,562,201.28-402,932.88

Finding the Fourth Proportional to 1,042,190.10, 1,562,201.28 and 402,932.88

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Solution

The fourth proportional to 1,042,190.10, 1,562,201.28 and 402,932.88 is: 603,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,190.10 : 1,562,201.28 = 402,932.88 : x
  2. Step 2: Convert to fraction form
    1,042,190.10/1,562,201.28 = 402,932.88/x
  3. Step 3: Cross multiply
    1,042,190.10x = 1,562,201.28 × 402,932.88
  4. Step 4: Simplify right side
    1,042,190.10x = 629,462,260,890.09
  5. Step 5: Solve for x
    x = 629,462,260,890.09/1,042,190.10
  6. Step 6: Final answer
    x = 603,980.27

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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.