Home / 849,443.80-1,274,165.70-816,784.60

Finding the Fourth Proportional to 849,443.80, 1,274,165.70 and 816,784.60

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Solution

The fourth proportional to 849,443.80, 1,274,165.70 and 816,784.60 is: 1,225,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,443.80 : 1,274,165.70 = 816,784.60 : x
  2. Step 2: Convert to fraction form
    849,443.80/1,274,165.70 = 816,784.60/x
  3. Step 3: Cross multiply
    849,443.80x = 1,274,165.70 × 816,784.60
  4. Step 4: Simplify right side
    849,443.80x = 1,040,718,921,608.22
  5. Step 5: Solve for x
    x = 1,040,718,921,608.22/849,443.80
  6. Step 6: Final answer
    x = 1,225,176.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.