Home / 1,273,355.40-1,909,825.46-374,586.95

Finding the Fourth Proportional to 1,273,355.40, 1,909,825.46 and 374,586.95

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Solution

The fourth proportional to 1,273,355.40, 1,909,825.46 and 374,586.95 is: 561,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,355.40 : 1,909,825.46 = 374,586.95 : x
  2. Step 2: Convert to fraction form
    1,273,355.40/1,909,825.46 = 374,586.95/x
  3. Step 3: Cross multiply
    1,273,355.40x = 1,909,825.46 × 374,586.95
  4. Step 4: Simplify right side
    1,273,355.40x = 715,395,682,671.69
  5. Step 5: Solve for x
    x = 715,395,682,671.69/1,273,355.40
  6. Step 6: Final answer
    x = 561,819.33

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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.