Home / 1,430,359.20-2,147,413.92-959,153.04

Finding the Fourth Proportional to 1,430,359.20, 2,147,413.92 and 959,153.04

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Solution

The fourth proportional to 1,430,359.20, 2,147,413.92 and 959,153.04 is: 1,439,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,359.20 : 2,147,413.92 = 959,153.04 : x
  2. Step 2: Convert to fraction form
    1,430,359.20/2,147,413.92 = 959,153.04/x
  3. Step 3: Cross multiply
    1,430,359.20x = 2,147,413.92 × 959,153.04
  4. Step 4: Simplify right side
    1,430,359.20x = 2,059,698,589,506.32
  5. Step 5: Solve for x
    x = 2,059,698,589,506.32/1,430,359.20
  6. Step 6: Final answer
    x = 1,439,986.96

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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.