Home / 1,040,123.70-1,557,075.14-978,606.90

Finding the Fourth Proportional to 1,040,123.70, 1,557,075.14 and 978,606.90

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Solution

The fourth proportional to 1,040,123.70, 1,557,075.14 and 978,606.90 is: 1,464,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,123.70 : 1,557,075.14 = 978,606.90 : x
  2. Step 2: Convert to fraction form
    1,040,123.70/1,557,075.14 = 978,606.90/x
  3. Step 3: Cross multiply
    1,040,123.70x = 1,557,075.14 × 978,606.90
  4. Step 4: Simplify right side
    1,040,123.70x = 1,523,764,475,822.47
  5. Step 5: Solve for x
    x = 1,523,764,475,822.47/1,040,123.70
  6. Step 6: Final answer
    x = 1,464,983.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.