Home / 1,275,379.73-1,759,893.78-785,271.41

Finding the Fourth Proportional to 1,275,379.73, 1,759,893.78 and 785,271.41

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Solution

The fourth proportional to 1,275,379.73, 1,759,893.78 and 785,271.41 is: 1,083,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,379.73 : 1,759,893.78 = 785,271.41 : x
  2. Step 2: Convert to fraction form
    1,275,379.73/1,759,893.78 = 785,271.41/x
  3. Step 3: Cross multiply
    1,275,379.73x = 1,759,893.78 × 785,271.41
  4. Step 4: Simplify right side
    1,275,379.73x = 1,381,994,270,070.83
  5. Step 5: Solve for x
    x = 1,381,994,270,070.83/1,275,379.73
  6. Step 6: Final answer
    x = 1,083,594.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.