Home / 1,116,047.20-1,674,459.60-485,413.60

Finding the Fourth Proportional to 1,116,047.20, 1,674,459.60 and 485,413.60

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Solution

The fourth proportional to 1,116,047.20, 1,674,459.60 and 485,413.60 is: 728,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,047.20 : 1,674,459.60 = 485,413.60 : x
  2. Step 2: Convert to fraction form
    1,116,047.20/1,674,459.60 = 485,413.60/x
  3. Step 3: Cross multiply
    1,116,047.20x = 1,674,459.60 × 485,413.60
  4. Step 4: Simplify right side
    1,116,047.20x = 812,805,462,490.56
  5. Step 5: Solve for x
    x = 812,805,462,490.56/1,116,047.20
  6. Step 6: Final answer
    x = 728,289.50

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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.