Home / 1,295,625.70-1,943,438.55-1,122,415.30

Finding the Fourth Proportional to 1,295,625.70, 1,943,438.55 and 1,122,415.30

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Solution

The fourth proportional to 1,295,625.70, 1,943,438.55 and 1,122,415.30 is: 1,683,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,625.70 : 1,943,438.55 = 1,122,415.30 : x
  2. Step 2: Convert to fraction form
    1,295,625.70/1,943,438.55 = 1,122,415.30/x
  3. Step 3: Cross multiply
    1,295,625.70x = 1,943,438.55 × 1,122,415.30
  4. Step 4: Simplify right side
    1,295,625.70x = 2,181,345,163,129.82
  5. Step 5: Solve for x
    x = 2,181,345,163,129.82/1,295,625.70
  6. Step 6: Final answer
    x = 1,683,622.95

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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.