Home / 1,380,413.52-2,070,309.24-538,531.92

Finding the Fourth Proportional to 1,380,413.52, 2,070,309.24 and 538,531.92

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Solution

The fourth proportional to 1,380,413.52, 2,070,309.24 and 538,531.92 is: 807,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,413.52 : 2,070,309.24 = 538,531.92 : x
  2. Step 2: Convert to fraction form
    1,380,413.52/2,070,309.24 = 538,531.92/x
  3. Step 3: Cross multiply
    1,380,413.52x = 2,070,309.24 × 538,531.92
  4. Step 4: Simplify right side
    1,380,413.52x = 1,114,927,610,010.94
  5. Step 5: Solve for x
    x = 1,114,927,610,010.94/1,380,413.52
  6. Step 6: Final answer
    x = 807,676.54

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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.