Home / 1,222,269.68-1,686,697.80-670,985.24

Finding the Fourth Proportional to 1,222,269.68, 1,686,697.80 and 670,985.24

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Solution

The fourth proportional to 1,222,269.68, 1,686,697.80 and 670,985.24 is: 925,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,269.68 : 1,686,697.80 = 670,985.24 : x
  2. Step 2: Convert to fraction form
    1,222,269.68/1,686,697.80 = 670,985.24/x
  3. Step 3: Cross multiply
    1,222,269.68x = 1,686,697.80 × 670,985.24
  4. Step 4: Simplify right side
    1,222,269.68x = 1,131,749,328,140.47
  5. Step 5: Solve for x
    x = 1,131,749,328,140.47/1,222,269.68
  6. Step 6: Final answer
    x = 925,940.77

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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.