Home / 1,663,413.12-2,493,052.56-763,900.56

Finding the Fourth Proportional to 1,663,413.12, 2,493,052.56 and 763,900.56

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Solution

The fourth proportional to 1,663,413.12, 2,493,052.56 and 763,900.56 is: 1,144,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,413.12 : 2,493,052.56 = 763,900.56 : x
  2. Step 2: Convert to fraction form
    1,663,413.12/2,493,052.56 = 763,900.56/x
  3. Step 3: Cross multiply
    1,663,413.12x = 2,493,052.56 × 763,900.56
  4. Step 4: Simplify right side
    1,663,413.12x = 1,904,444,246,693.43
  5. Step 5: Solve for x
    x = 1,904,444,246,693.43/1,663,413.12
  6. Step 6: Final answer
    x = 1,144,901.54

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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.