Home / 1,092,923.20-1,639,384.80-694,342.45

Finding the Fourth Proportional to 1,092,923.20, 1,639,384.80 and 694,342.45

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Solution

The fourth proportional to 1,092,923.20, 1,639,384.80 and 694,342.45 is: 1,041,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,923.20 : 1,639,384.80 = 694,342.45 : x
  2. Step 2: Convert to fraction form
    1,092,923.20/1,639,384.80 = 694,342.45/x
  3. Step 3: Cross multiply
    1,092,923.20x = 1,639,384.80 × 694,342.45
  4. Step 4: Simplify right side
    1,092,923.20x = 1,138,294,458,524.76
  5. Step 5: Solve for x
    x = 1,138,294,458,524.76/1,092,923.20
  6. Step 6: Final answer
    x = 1,041,513.68

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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.