Home / 1,230,805.80-1,843,098.30-981,973.80

Finding the Fourth Proportional to 1,230,805.80, 1,843,098.30 and 981,973.80

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Solution

The fourth proportional to 1,230,805.80, 1,843,098.30 and 981,973.80 is: 1,470,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,805.80 : 1,843,098.30 = 981,973.80 : x
  2. Step 2: Convert to fraction form
    1,230,805.80/1,843,098.30 = 981,973.80/x
  3. Step 3: Cross multiply
    1,230,805.80x = 1,843,098.30 × 981,973.80
  4. Step 4: Simplify right side
    1,230,805.80x = 1,809,874,241,424.54
  5. Step 5: Solve for x
    x = 1,809,874,241,424.54/1,230,805.80
  6. Step 6: Final answer
    x = 1,470,479.13

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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.