Home / 1,221,163.34-1,683,258.90-962,618.93

Finding the Fourth Proportional to 1,221,163.34, 1,683,258.90 and 962,618.93

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Solution

The fourth proportional to 1,221,163.34, 1,683,258.90 and 962,618.93 is: 1,326,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,163.34 : 1,683,258.90 = 962,618.93 : x
  2. Step 2: Convert to fraction form
    1,221,163.34/1,683,258.90 = 962,618.93/x
  3. Step 3: Cross multiply
    1,221,163.34x = 1,683,258.90 × 962,618.93
  4. Step 4: Simplify right side
    1,221,163.34x = 1,620,336,881,230.98
  5. Step 5: Solve for x
    x = 1,620,336,881,230.98/1,221,163.34
  6. Step 6: Final answer
    x = 1,326,879.73

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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.