Home / 1,413,238.90-2,116,747.95-851,293.30

Finding the Fourth Proportional to 1,413,238.90, 2,116,747.95 and 851,293.30

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Solution

The fourth proportional to 1,413,238.90, 2,116,747.95 and 851,293.30 is: 1,275,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,238.90 : 2,116,747.95 = 851,293.30 : x
  2. Step 2: Convert to fraction form
    1,413,238.90/2,116,747.95 = 851,293.30/x
  3. Step 3: Cross multiply
    1,413,238.90x = 2,116,747.95 × 851,293.30
  4. Step 4: Simplify right side
    1,413,238.90x = 1,801,973,347,623.74
  5. Step 5: Solve for x
    x = 1,801,973,347,623.74/1,413,238.90
  6. Step 6: Final answer
    x = 1,275,066.34

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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.