Home / 1,738,872.36-2,604,930.98-978,394.95

Finding the Fourth Proportional to 1,738,872.36, 2,604,930.98 and 978,394.95

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Solution

The fourth proportional to 1,738,872.36, 2,604,930.98 and 978,394.95 is: 1,465,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,872.36 : 2,604,930.98 = 978,394.95 : x
  2. Step 2: Convert to fraction form
    1,738,872.36/2,604,930.98 = 978,394.95/x
  3. Step 3: Cross multiply
    1,738,872.36x = 2,604,930.98 × 978,394.95
  4. Step 4: Simplify right side
    1,738,872.36x = 2,548,651,311,038.58
  5. Step 5: Solve for x
    x = 2,548,651,311,038.58/1,738,872.36
  6. Step 6: Final answer
    x = 1,465,692.00

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Why These Related Problems?

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