Home / 1,007,087.10-1,387,132.77-774,068.43

Finding the Fourth Proportional to 1,007,087.10, 1,387,132.77 and 774,068.43

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Solution

The fourth proportional to 1,007,087.10, 1,387,132.77 and 774,068.43 is: 1,066,179.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,087.10 : 1,387,132.77 = 774,068.43 : x
  2. Step 2: Convert to fraction form
    1,007,087.10/1,387,132.77 = 774,068.43/x
  3. Step 3: Cross multiply
    1,007,087.10x = 1,387,132.77 × 774,068.43
  4. Step 4: Simplify right side
    1,007,087.10x = 1,073,735,685,475.45
  5. Step 5: Solve for x
    x = 1,073,735,685,475.45/1,007,087.10
  6. Step 6: Final answer
    x = 1,066,179.56

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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.