Home / 1,432,849.73-1,977,615.25-821,413.05

Finding the Fourth Proportional to 1,432,849.73, 1,977,615.25 and 821,413.05

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Solution

The fourth proportional to 1,432,849.73, 1,977,615.25 and 821,413.05 is: 1,133,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,849.73 : 1,977,615.25 = 821,413.05 : x
  2. Step 2: Convert to fraction form
    1,432,849.73/1,977,615.25 = 821,413.05/x
  3. Step 3: Cross multiply
    1,432,849.73x = 1,977,615.25 × 821,413.05
  4. Step 4: Simplify right side
    1,432,849.73x = 1,624,438,980,503.96
  5. Step 5: Solve for x
    x = 1,624,438,980,503.96/1,432,849.73
  6. Step 6: Final answer
    x = 1,133,712.03

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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.