Home / 1,326,186.50-1,830,137.37-722,574.50

Finding the Fourth Proportional to 1,326,186.50, 1,830,137.37 and 722,574.50

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Solution

The fourth proportional to 1,326,186.50, 1,830,137.37 and 722,574.50 is: 997,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,186.50 : 1,830,137.37 = 722,574.50 : x
  2. Step 2: Convert to fraction form
    1,326,186.50/1,830,137.37 = 722,574.50/x
  3. Step 3: Cross multiply
    1,326,186.50x = 1,830,137.37 × 722,574.50
  4. Step 4: Simplify right side
    1,326,186.50x = 1,322,410,595,059.07
  5. Step 5: Solve for x
    x = 1,322,410,595,059.07/1,326,186.50
  6. Step 6: Final answer
    x = 997,152.81

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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.