Home / 1,297,570.56-1,790,573.19-774,871.08

Finding the Fourth Proportional to 1,297,570.56, 1,790,573.19 and 774,871.08

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Solution

The fourth proportional to 1,297,570.56, 1,790,573.19 and 774,871.08 is: 1,069,277.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,570.56 : 1,790,573.19 = 774,871.08 : x
  2. Step 2: Convert to fraction form
    1,297,570.56/1,790,573.19 = 774,871.08/x
  3. Step 3: Cross multiply
    1,297,570.56x = 1,790,573.19 × 774,871.08
  4. Step 4: Simplify right side
    1,297,570.56x = 1,387,463,381,554.35
  5. Step 5: Solve for x
    x = 1,387,463,381,554.35/1,297,570.56
  6. Step 6: Final answer
    x = 1,069,277.79

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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.