Home / 1,309,466.37-1,963,626.83-660,643.27

Finding the Fourth Proportional to 1,309,466.37, 1,963,626.83 and 660,643.27

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Solution

The fourth proportional to 1,309,466.37, 1,963,626.83 and 660,643.27 is: 990,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,466.37 : 1,963,626.83 = 660,643.27 : x
  2. Step 2: Convert to fraction form
    1,309,466.37/1,963,626.83 = 660,643.27/x
  3. Step 3: Cross multiply
    1,309,466.37x = 1,963,626.83 × 660,643.27
  4. Step 4: Simplify right side
    1,309,466.37x = 1,297,256,850,030.93
  5. Step 5: Solve for x
    x = 1,297,256,850,030.93/1,309,466.37
  6. Step 6: Final answer
    x = 990,675.96

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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.