Home / 1,413,230.40-2,116,735.20-851,284.80

Finding the Fourth Proportional to 1,413,230.40, 2,116,735.20 and 851,284.80

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Solution

The fourth proportional to 1,413,230.40, 2,116,735.20 and 851,284.80 is: 1,275,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,230.40 : 2,116,735.20 = 851,284.80 : x
  2. Step 2: Convert to fraction form
    1,413,230.40/2,116,735.20 = 851,284.80/x
  3. Step 3: Cross multiply
    1,413,230.40x = 2,116,735.20 × 851,284.80
  4. Step 4: Simplify right side
    1,413,230.40x = 1,801,944,501,384.96
  5. Step 5: Solve for x
    x = 1,801,944,501,384.96/1,413,230.40
  6. Step 6: Final answer
    x = 1,275,053.59

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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.