Home / 1,128,413.25-1,692,893.35-648,947.93

Finding the Fourth Proportional to 1,128,413.25, 1,692,893.35 and 648,947.93

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Solution

The fourth proportional to 1,128,413.25, 1,692,893.35 and 648,947.93 is: 973,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,413.25 : 1,692,893.35 = 648,947.93 : x
  2. Step 2: Convert to fraction form
    1,128,413.25/1,692,893.35 = 648,947.93/x
  3. Step 3: Cross multiply
    1,128,413.25x = 1,692,893.35 × 648,947.93
  4. Step 4: Simplify right side
    1,128,413.25x = 1,098,599,627,539.98
  5. Step 5: Solve for x
    x = 1,098,599,627,539.98/1,128,413.25
  6. Step 6: Final answer
    x = 973,579.16

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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.