Home / 1,066,697.46-1,471,921.94-631,128.17

Finding the Fourth Proportional to 1,066,697.46, 1,471,921.94 and 631,128.17

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Solution

The fourth proportional to 1,066,697.46, 1,471,921.94 and 631,128.17 is: 870,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,697.46 : 1,471,921.94 = 631,128.17 : x
  2. Step 2: Convert to fraction form
    1,066,697.46/1,471,921.94 = 631,128.17/x
  3. Step 3: Cross multiply
    1,066,697.46x = 1,471,921.94 × 631,128.17
  4. Step 4: Simplify right side
    1,066,697.46x = 928,971,389,859.80
  5. Step 5: Solve for x
    x = 928,971,389,859.80/1,066,697.46
  6. Step 6: Final answer
    x = 870,885.54

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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.