Home / 1,119,901.80-1,683,351.90-1,098,906.60

Finding the Fourth Proportional to 1,119,901.80, 1,683,351.90 and 1,098,906.60

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Solution

The fourth proportional to 1,119,901.80, 1,683,351.90 and 1,098,906.60 is: 1,651,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,901.80 : 1,683,351.90 = 1,098,906.60 : x
  2. Step 2: Convert to fraction form
    1,119,901.80/1,683,351.90 = 1,098,906.60/x
  3. Step 3: Cross multiply
    1,119,901.80x = 1,683,351.90 × 1,098,906.60
  4. Step 4: Simplify right side
    1,119,901.80x = 1,849,846,513,032.54
  5. Step 5: Solve for x
    x = 1,849,846,513,032.54/1,119,901.80
  6. Step 6: Final answer
    x = 1,651,793.50

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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.