Home / 1,007,086.60-1,387,132.08-774,067.93

Finding the Fourth Proportional to 1,007,086.60, 1,387,132.08 and 774,067.93

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Solution

The fourth proportional to 1,007,086.60, 1,387,132.08 and 774,067.93 is: 1,066,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,086.60 : 1,387,132.08 = 774,067.93 : x
  2. Step 2: Convert to fraction form
    1,007,086.60/1,387,132.08 = 774,067.93/x
  3. Step 3: Cross multiply
    1,007,086.60x = 1,387,132.08 × 774,067.93
  4. Step 4: Simplify right side
    1,007,086.60x = 1,073,734,457,802.19
  5. Step 5: Solve for x
    x = 1,073,734,457,802.19/1,007,086.60
  6. Step 6: Final answer
    x = 1,066,178.87

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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.