Home / 1,273,340.40-1,910,010.60-515,544.90

Finding the Fourth Proportional to 1,273,340.40, 1,910,010.60 and 515,544.90

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Solution

The fourth proportional to 1,273,340.40, 1,910,010.60 and 515,544.90 is: 773,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,340.40 : 1,910,010.60 = 515,544.90 : x
  2. Step 2: Convert to fraction form
    1,273,340.40/1,910,010.60 = 515,544.90/x
  3. Step 3: Cross multiply
    1,273,340.40x = 1,910,010.60 × 515,544.90
  4. Step 4: Simplify right side
    1,273,340.40x = 984,696,223,775.94
  5. Step 5: Solve for x
    x = 984,696,223,775.94/1,273,340.40
  6. Step 6: Final answer
    x = 773,317.35

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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.