Home / 768,051.45-1,146,237.09-682,927.13

Finding the Fourth Proportional to 768,051.45, 1,146,237.09 and 682,927.13

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Solution

The fourth proportional to 768,051.45, 1,146,237.09 and 682,927.13 is: 1,019,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,051.45 : 1,146,237.09 = 682,927.13 : x
  2. Step 2: Convert to fraction form
    768,051.45/1,146,237.09 = 682,927.13/x
  3. Step 3: Cross multiply
    768,051.45x = 1,146,237.09 × 682,927.13
  4. Step 4: Simplify right side
    768,051.45x = 782,796,400,442.07
  5. Step 5: Solve for x
    x = 782,796,400,442.07/768,051.45
  6. Step 6: Final answer
    x = 1,019,197.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.