Home / 1,066,429.80-1,471,690.62-636,747.48

Finding the Fourth Proportional to 1,066,429.80, 1,471,690.62 and 636,747.48

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Solution

The fourth proportional to 1,066,429.80, 1,471,690.62 and 636,747.48 is: 878,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,429.80 : 1,471,690.62 = 636,747.48 : x
  2. Step 2: Convert to fraction form
    1,066,429.80/1,471,690.62 = 636,747.48/x
  3. Step 3: Cross multiply
    1,066,429.80x = 1,471,690.62 × 636,747.48
  4. Step 4: Simplify right side
    1,066,429.80x = 937,095,293,624.64
  5. Step 5: Solve for x
    x = 937,095,293,624.64/1,066,429.80
  6. Step 6: Final answer
    x = 878,721.97

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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.