Home / 1,066,387.96-1,471,570.70-631,087.48

Finding the Fourth Proportional to 1,066,387.96, 1,471,570.70 and 631,087.48

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Solution

The fourth proportional to 1,066,387.96, 1,471,570.70 and 631,087.48 is: 870,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,387.96 : 1,471,570.70 = 631,087.48 : x
  2. Step 2: Convert to fraction form
    1,066,387.96/1,471,570.70 = 631,087.48/x
  3. Step 3: Cross multiply
    1,066,387.96x = 1,471,570.70 × 631,087.48
  4. Step 4: Simplify right side
    1,066,387.96x = 928,689,844,704.84
  5. Step 5: Solve for x
    x = 928,689,844,704.84/1,066,387.96
  6. Step 6: Final answer
    x = 870,874.28

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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.