Home / 1,264,295.74-1,743,237.34-1,021,828.54

Finding the Fourth Proportional to 1,264,295.74, 1,743,237.34 and 1,021,828.54

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Solution

The fourth proportional to 1,264,295.74, 1,743,237.34 and 1,021,828.54 is: 1,408,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,295.74 : 1,743,237.34 = 1,021,828.54 : x
  2. Step 2: Convert to fraction form
    1,264,295.74/1,743,237.34 = 1,021,828.54/x
  3. Step 3: Cross multiply
    1,264,295.74x = 1,743,237.34 × 1,021,828.54
  4. Step 4: Simplify right side
    1,264,295.74x = 1,781,289,666,005.68
  5. Step 5: Solve for x
    x = 1,781,289,666,005.68/1,264,295.74
  6. Step 6: Final answer
    x = 1,408,918.51

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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.