Home / 1,205,076.71-1,661,492.73-882,226.31

Finding the Fourth Proportional to 1,205,076.71, 1,661,492.73 and 882,226.31

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Solution

The fourth proportional to 1,205,076.71, 1,661,492.73 and 882,226.31 is: 1,216,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,076.71 : 1,661,492.73 = 882,226.31 : x
  2. Step 2: Convert to fraction form
    1,205,076.71/1,661,492.73 = 882,226.31/x
  3. Step 3: Cross multiply
    1,205,076.71x = 1,661,492.73 × 882,226.31
  4. Step 4: Simplify right side
    1,205,076.71x = 1,465,812,591,972.26
  5. Step 5: Solve for x
    x = 1,465,812,591,972.26/1,205,076.71
  6. Step 6: Final answer
    x = 1,216,364.56

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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.