Home / 1,003,605.04-1,383,065.86-985,160.42

Finding the Fourth Proportional to 1,003,605.04, 1,383,065.86 and 985,160.42

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Solution

The fourth proportional to 1,003,605.04, 1,383,065.86 and 985,160.42 is: 1,357,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,605.04 : 1,383,065.86 = 985,160.42 : x
  2. Step 2: Convert to fraction form
    1,003,605.04/1,383,065.86 = 985,160.42/x
  3. Step 3: Cross multiply
    1,003,605.04x = 1,383,065.86 × 985,160.42
  4. Step 4: Simplify right side
    1,003,605.04x = 1,362,541,751,731.21
  5. Step 5: Solve for x
    x = 1,362,541,751,731.21/1,003,605.04
  6. Step 6: Final answer
    x = 1,357,647.38

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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.