Home / 1,080,864.20-1,616,630.70-912,902.60

Finding the Fourth Proportional to 1,080,864.20, 1,616,630.70 and 912,902.60

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Solution

The fourth proportional to 1,080,864.20, 1,616,630.70 and 912,902.60 is: 1,365,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,864.20 : 1,616,630.70 = 912,902.60 : x
  2. Step 2: Convert to fraction form
    1,080,864.20/1,616,630.70 = 912,902.60/x
  3. Step 3: Cross multiply
    1,080,864.20x = 1,616,630.70 × 912,902.60
  4. Step 4: Simplify right side
    1,080,864.20x = 1,475,826,369,269.82
  5. Step 5: Solve for x
    x = 1,475,826,369,269.82/1,080,864.20
  6. Step 6: Final answer
    x = 1,365,413.31

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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.