Home / 1,226,613.90-1,692,727.26-682,737.98

Finding the Fourth Proportional to 1,226,613.90, 1,692,727.26 and 682,737.98

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Solution

The fourth proportional to 1,226,613.90, 1,692,727.26 and 682,737.98 is: 942,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,613.90 : 1,692,727.26 = 682,737.98 : x
  2. Step 2: Convert to fraction form
    1,226,613.90/1,692,727.26 = 682,737.98/x
  3. Step 3: Cross multiply
    1,226,613.90x = 1,692,727.26 × 682,737.98
  4. Step 4: Simplify right side
    1,226,613.90x = 1,155,689,190,183.33
  5. Step 5: Solve for x
    x = 1,155,689,190,183.33/1,226,613.90
  6. Step 6: Final answer
    x = 942,178.46

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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.