Home / 1,285,220.40-1,926,518.40-752,467.20

Finding the Fourth Proportional to 1,285,220.40, 1,926,518.40 and 752,467.20

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Solution

The fourth proportional to 1,285,220.40, 1,926,518.40 and 752,467.20 is: 1,127,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,220.40 : 1,926,518.40 = 752,467.20 : x
  2. Step 2: Convert to fraction form
    1,285,220.40/1,926,518.40 = 752,467.20/x
  3. Step 3: Cross multiply
    1,285,220.40x = 1,926,518.40 × 752,467.20
  4. Step 4: Simplify right side
    1,285,220.40x = 1,449,641,906,196.48
  5. Step 5: Solve for x
    x = 1,449,641,906,196.48/1,285,220.40
  6. Step 6: Final answer
    x = 1,127,932.54

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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.