Home / 1,330,790.88-1,836,626.64-787,102.64

Finding the Fourth Proportional to 1,330,790.88, 1,836,626.64 and 787,102.64

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Solution

The fourth proportional to 1,330,790.88, 1,836,626.64 and 787,102.64 is: 1,086,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,790.88 : 1,836,626.64 = 787,102.64 : x
  2. Step 2: Convert to fraction form
    1,330,790.88/1,836,626.64 = 787,102.64/x
  3. Step 3: Cross multiply
    1,330,790.88x = 1,836,626.64 × 787,102.64
  4. Step 4: Simplify right side
    1,330,790.88x = 1,445,613,677,038.33
  5. Step 5: Solve for x
    x = 1,445,613,677,038.33/1,330,790.88
  6. Step 6: Final answer
    x = 1,086,281.62

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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.