Home / 1,182,199.96-1,631,446.36-672,935.12

Finding the Fourth Proportional to 1,182,199.96, 1,631,446.36 and 672,935.12

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Solution

The fourth proportional to 1,182,199.96, 1,631,446.36 and 672,935.12 is: 928,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,199.96 : 1,631,446.36 = 672,935.12 : x
  2. Step 2: Convert to fraction form
    1,182,199.96/1,631,446.36 = 672,935.12/x
  3. Step 3: Cross multiply
    1,182,199.96x = 1,631,446.36 × 672,935.12
  4. Step 4: Simplify right side
    1,182,199.96x = 1,097,857,552,040.16
  5. Step 5: Solve for x
    x = 1,097,857,552,040.16/1,182,199.96
  6. Step 6: Final answer
    x = 928,656.39

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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.