Home / 1,066,065.80-1,471,028.64-684,609.26

Finding the Fourth Proportional to 1,066,065.80, 1,471,028.64 and 684,609.26

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Solution

The fourth proportional to 1,066,065.80, 1,471,028.64 and 684,609.26 is: 944,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,065.80 : 1,471,028.64 = 684,609.26 : x
  2. Step 2: Convert to fraction form
    1,066,065.80/1,471,028.64 = 684,609.26/x
  3. Step 3: Cross multiply
    1,066,065.80x = 1,471,028.64 × 684,609.26
  4. Step 4: Simplify right side
    1,066,065.80x = 1,007,079,828,669.21
  5. Step 5: Solve for x
    x = 1,007,079,828,669.21/1,066,065.80
  6. Step 6: Final answer
    x = 944,669.48

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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.