Home / 1,147,138.82-1,583,018.08-630,892.18

Finding the Fourth Proportional to 1,147,138.82, 1,583,018.08 and 630,892.18

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Solution

The fourth proportional to 1,147,138.82, 1,583,018.08 and 630,892.18 is: 870,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,138.82 : 1,583,018.08 = 630,892.18 : x
  2. Step 2: Convert to fraction form
    1,147,138.82/1,583,018.08 = 630,892.18/x
  3. Step 3: Cross multiply
    1,147,138.82x = 1,583,018.08 × 630,892.18
  4. Step 4: Simplify right side
    1,147,138.82x = 998,713,727,470.62
  5. Step 5: Solve for x
    x = 998,713,727,470.62/1,147,138.82
  6. Step 6: Final answer
    x = 870,612.79

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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.