Home / 1,376,064.80-2,060,986.80-816,192.80

Finding the Fourth Proportional to 1,376,064.80, 2,060,986.80 and 816,192.80

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Solution

The fourth proportional to 1,376,064.80, 2,060,986.80 and 816,192.80 is: 1,222,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,064.80 : 2,060,986.80 = 816,192.80 : x
  2. Step 2: Convert to fraction form
    1,376,064.80/2,060,986.80 = 816,192.80/x
  3. Step 3: Cross multiply
    1,376,064.80x = 2,060,986.80 × 816,192.80
  4. Step 4: Simplify right side
    1,376,064.80x = 1,682,162,587,055.04
  5. Step 5: Solve for x
    x = 1,682,162,587,055.04/1,376,064.80
  6. Step 6: Final answer
    x = 1,222,444.31

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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.