Home / 1,299,216.80-1,947,788.40-550,647.20

Finding the Fourth Proportional to 1,299,216.80, 1,947,788.40 and 550,647.20

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Solution

The fourth proportional to 1,299,216.80, 1,947,788.40 and 550,647.20 is: 825,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,216.80 : 1,947,788.40 = 550,647.20 : x
  2. Step 2: Convert to fraction form
    1,299,216.80/1,947,788.40 = 550,647.20/x
  3. Step 3: Cross multiply
    1,299,216.80x = 1,947,788.40 × 550,647.20
  4. Step 4: Simplify right side
    1,299,216.80x = 1,072,544,228,652.48
  5. Step 5: Solve for x
    x = 1,072,544,228,652.48/1,299,216.80
  6. Step 6: Final answer
    x = 825,531.37

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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.