Home / 1,010,474.88-1,394,466.72-557,765.76

Finding the Fourth Proportional to 1,010,474.88, 1,394,466.72 and 557,765.76

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Solution

The fourth proportional to 1,010,474.88, 1,394,466.72 and 557,765.76 is: 769,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,474.88 : 1,394,466.72 = 557,765.76 : x
  2. Step 2: Convert to fraction form
    1,010,474.88/1,394,466.72 = 557,765.76/x
  3. Step 3: Cross multiply
    1,010,474.88x = 1,394,466.72 × 557,765.76
  4. Step 4: Simplify right side
    1,010,474.88x = 777,785,789,875.51
  5. Step 5: Solve for x
    x = 777,785,789,875.51/1,010,474.88
  6. Step 6: Final answer
    x = 769,723.03

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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.