Home / 987,429.24-1,362,205.26-866,196.54

Finding the Fourth Proportional to 987,429.24, 1,362,205.26 and 866,196.54

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Solution

The fourth proportional to 987,429.24, 1,362,205.26 and 866,196.54 is: 1,194,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,429.24 : 1,362,205.26 = 866,196.54 : x
  2. Step 2: Convert to fraction form
    987,429.24/1,362,205.26 = 866,196.54/x
  3. Step 3: Cross multiply
    987,429.24x = 1,362,205.26 × 866,196.54
  4. Step 4: Simplify right side
    987,429.24x = 1,179,937,482,981.80
  5. Step 5: Solve for x
    x = 1,179,937,482,981.80/987,429.24
  6. Step 6: Final answer
    x = 1,194,959.03

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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.