Home / 1,159,738.60-1,600,493.12-724,413.68

Finding the Fourth Proportional to 1,159,738.60, 1,600,493.12 and 724,413.68

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Solution

The fourth proportional to 1,159,738.60, 1,600,493.12 and 724,413.68 is: 999,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,738.60 : 1,600,493.12 = 724,413.68 : x
  2. Step 2: Convert to fraction form
    1,159,738.60/1,600,493.12 = 724,413.68/x
  3. Step 3: Cross multiply
    1,159,738.60x = 1,600,493.12 × 724,413.68
  4. Step 4: Simplify right side
    1,159,738.60x = 1,159,419,110,873.88
  5. Step 5: Solve for x
    x = 1,159,419,110,873.88/1,159,738.60
  6. Step 6: Final answer
    x = 999,724.52

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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.