Home / 1,285,059.98-1,927,340.73-486,403.82

Finding the Fourth Proportional to 1,285,059.98, 1,927,340.73 and 486,403.82

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Solution

The fourth proportional to 1,285,059.98, 1,927,340.73 and 486,403.82 is: 729,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,059.98 : 1,927,340.73 = 486,403.82 : x
  2. Step 2: Convert to fraction form
    1,285,059.98/1,927,340.73 = 486,403.82/x
  3. Step 3: Cross multiply
    1,285,059.98x = 1,927,340.73 × 486,403.82
  4. Step 4: Simplify right side
    1,285,059.98x = 937,465,893,513.59
  5. Step 5: Solve for x
    x = 937,465,893,513.59/1,285,059.98
  6. Step 6: Final answer
    x = 729,511.39

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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.