Home / 1,066,698.46-1,471,923.31-631,129.17

Finding the Fourth Proportional to 1,066,698.46, 1,471,923.31 and 631,129.17

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Solution

The fourth proportional to 1,066,698.46, 1,471,923.31 and 631,129.17 is: 870,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,698.46 : 1,471,923.31 = 631,129.17 : x
  2. Step 2: Convert to fraction form
    1,066,698.46/1,471,923.31 = 631,129.17/x
  3. Step 3: Cross multiply
    1,066,698.46x = 1,471,923.31 × 631,129.17
  4. Step 4: Simplify right side
    1,066,698.46x = 928,973,736,943.95
  5. Step 5: Solve for x
    x = 928,973,736,943.95/1,066,698.46
  6. Step 6: Final answer
    x = 870,886.92

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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.