Home / 1,221,157.83-1,683,251.32-962,613.43

Finding the Fourth Proportional to 1,221,157.83, 1,683,251.32 and 962,613.43

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Solution

The fourth proportional to 1,221,157.83, 1,683,251.32 and 962,613.43 is: 1,326,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,157.83 : 1,683,251.32 = 962,613.43 : x
  2. Step 2: Convert to fraction form
    1,221,157.83/1,683,251.32 = 962,613.43/x
  3. Step 3: Cross multiply
    1,221,157.83x = 1,683,251.32 × 962,613.43
  4. Step 4: Simplify right side
    1,221,157.83x = 1,620,320,326,697.23
  5. Step 5: Solve for x
    x = 1,620,320,326,697.23/1,221,157.83
  6. Step 6: Final answer
    x = 1,326,872.16

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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.