Home / 1,192,535.43-1,645,815.02-890,204.55

Finding the Fourth Proportional to 1,192,535.43, 1,645,815.02 and 890,204.55

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Solution

The fourth proportional to 1,192,535.43, 1,645,815.02 and 890,204.55 is: 1,228,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,535.43 : 1,645,815.02 = 890,204.55 : x
  2. Step 2: Convert to fraction form
    1,192,535.43/1,645,815.02 = 890,204.55/x
  3. Step 3: Cross multiply
    1,192,535.43x = 1,645,815.02 × 890,204.55
  4. Step 4: Simplify right side
    1,192,535.43x = 1,465,112,014,811.32
  5. Step 5: Solve for x
    x = 1,465,112,014,811.32/1,192,535.43
  6. Step 6: Final answer
    x = 1,228,568.96

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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.