Home / 1,222,916.45-1,687,673.23-706,653.23

Finding the Fourth Proportional to 1,222,916.45, 1,687,673.23 and 706,653.23

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Solution

The fourth proportional to 1,222,916.45, 1,687,673.23 and 706,653.23 is: 975,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,916.45 : 1,687,673.23 = 706,653.23 : x
  2. Step 2: Convert to fraction form
    1,222,916.45/1,687,673.23 = 706,653.23/x
  3. Step 3: Cross multiply
    1,222,916.45x = 1,687,673.23 × 706,653.23
  4. Step 4: Simplify right side
    1,222,916.45x = 1,192,599,728,959.03
  5. Step 5: Solve for x
    x = 1,192,599,728,959.03/1,222,916.45
  6. Step 6: Final answer
    x = 975,209.50

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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.