Home / 1,042,804.50-1,438,286.82-699,028.14

Finding the Fourth Proportional to 1,042,804.50, 1,438,286.82 and 699,028.14

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Solution

The fourth proportional to 1,042,804.50, 1,438,286.82 and 699,028.14 is: 964,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,804.50 : 1,438,286.82 = 699,028.14 : x
  2. Step 2: Convert to fraction form
    1,042,804.50/1,438,286.82 = 699,028.14/x
  3. Step 3: Cross multiply
    1,042,804.50x = 1,438,286.82 × 699,028.14
  4. Step 4: Simplify right side
    1,042,804.50x = 1,005,402,960,571.11
  5. Step 5: Solve for x
    x = 1,005,402,960,571.11/1,042,804.50
  6. Step 6: Final answer
    x = 964,133.70

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1.5x scale

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.