Home / 1,220,789.64-1,831,006.18-355,992.19

Finding the Fourth Proportional to 1,220,789.64, 1,831,006.18 and 355,992.19

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Solution

The fourth proportional to 1,220,789.64, 1,831,006.18 and 355,992.19 is: 533,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,789.64 : 1,831,006.18 = 355,992.19 : x
  2. Step 2: Convert to fraction form
    1,220,789.64/1,831,006.18 = 355,992.19/x
  3. Step 3: Cross multiply
    1,220,789.64x = 1,831,006.18 × 355,992.19
  4. Step 4: Simplify right side
    1,220,789.64x = 651,823,888,986.74
  5. Step 5: Solve for x
    x = 651,823,888,986.74/1,220,789.64
  6. Step 6: Final answer
    x = 533,936.29

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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.