Home / 1,120,913.73-1,546,895.07-637,548.48

Finding the Fourth Proportional to 1,120,913.73, 1,546,895.07 and 637,548.48

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Solution

The fourth proportional to 1,120,913.73, 1,546,895.07 and 637,548.48 is: 879,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,913.73 : 1,546,895.07 = 637,548.48 : x
  2. Step 2: Convert to fraction form
    1,120,913.73/1,546,895.07 = 637,548.48/x
  3. Step 3: Cross multiply
    1,120,913.73x = 1,546,895.07 × 637,548.48
  4. Step 4: Simplify right side
    1,120,913.73x = 986,220,600,597.99
  5. Step 5: Solve for x
    x = 986,220,600,597.99/1,120,913.73
  6. Step 6: Final answer
    x = 879,836.31

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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.