Home / 1,413,235.90-2,116,743.45-851,290.30

Finding the Fourth Proportional to 1,413,235.90, 2,116,743.45 and 851,290.30

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Solution

The fourth proportional to 1,413,235.90, 2,116,743.45 and 851,290.30 is: 1,275,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,235.90 : 2,116,743.45 = 851,290.30 : x
  2. Step 2: Convert to fraction form
    1,413,235.90/2,116,743.45 = 851,290.30/x
  3. Step 3: Cross multiply
    1,413,235.90x = 2,116,743.45 × 851,290.30
  4. Step 4: Simplify right side
    1,413,235.90x = 1,801,963,166,573.54
  5. Step 5: Solve for x
    x = 1,801,963,166,573.54/1,413,235.90
  6. Step 6: Final answer
    x = 1,275,061.84

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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.