Home / 1,220,976.80-1,683,006.08-962,434.52

Finding the Fourth Proportional to 1,220,976.80, 1,683,006.08 and 962,434.52

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Solution

The fourth proportional to 1,220,976.80, 1,683,006.08 and 962,434.52 is: 1,326,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,976.80 : 1,683,006.08 = 962,434.52 : x
  2. Step 2: Convert to fraction form
    1,220,976.80/1,683,006.08 = 962,434.52/x
  3. Step 3: Cross multiply
    1,220,976.80x = 1,683,006.08 × 962,434.52
  4. Step 4: Simplify right side
    1,220,976.80x = 1,619,783,148,761.88
  5. Step 5: Solve for x
    x = 1,619,783,148,761.88/1,220,976.80
  6. Step 6: Final answer
    x = 1,326,628.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.