Home / 1,042,187.10-1,562,196.79-402,929.88

Finding the Fourth Proportional to 1,042,187.10, 1,562,196.79 and 402,929.88

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Solution

The fourth proportional to 1,042,187.10, 1,562,196.79 and 402,929.88 is: 603,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,187.10 : 1,562,196.79 = 402,929.88 : x
  2. Step 2: Convert to fraction form
    1,042,187.10/1,562,196.79 = 402,929.88/x
  3. Step 3: Cross multiply
    1,042,187.10x = 1,562,196.79 × 402,929.88
  4. Step 4: Simplify right side
    1,042,187.10x = 629,455,765,131.09
  5. Step 5: Solve for x
    x = 629,455,765,131.09/1,042,187.10
  6. Step 6: Final answer
    x = 603,975.78

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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.