Home / 1,182,186.96-1,631,428.42-672,922.12

Finding the Fourth Proportional to 1,182,186.96, 1,631,428.42 and 672,922.12

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Solution

The fourth proportional to 1,182,186.96, 1,631,428.42 and 672,922.12 is: 928,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,186.96 : 1,631,428.42 = 672,922.12 : x
  2. Step 2: Convert to fraction form
    1,182,186.96/1,631,428.42 = 672,922.12/x
  3. Step 3: Cross multiply
    1,182,186.96x = 1,631,428.42 × 672,922.12
  4. Step 4: Simplify right side
    1,182,186.96x = 1,097,824,271,014.65
  5. Step 5: Solve for x
    x = 1,097,824,271,014.65/1,182,186.96
  6. Step 6: Final answer
    x = 928,638.45

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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.