Home / 1,120,936.80-1,546,926.90-637,571.46

Finding the Fourth Proportional to 1,120,936.80, 1,546,926.90 and 637,571.46

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Solution

The fourth proportional to 1,120,936.80, 1,546,926.90 and 637,571.46 is: 879,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,936.80 : 1,546,926.90 = 637,571.46 : x
  2. Step 2: Convert to fraction form
    1,120,936.80/1,546,926.90 = 637,571.46/x
  3. Step 3: Cross multiply
    1,120,936.80x = 1,546,926.90 × 637,571.46
  4. Step 4: Simplify right side
    1,120,936.80x = 986,276,442,146.27
  5. Step 5: Solve for x
    x = 986,276,442,146.27/1,120,936.80
  6. Step 6: Final answer
    x = 879,868.02

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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.