Home / 1,380,366.14-1,904,237.48-890,206.34

Finding the Fourth Proportional to 1,380,366.14, 1,904,237.48 and 890,206.34

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Solution

The fourth proportional to 1,380,366.14, 1,904,237.48 and 890,206.34 is: 1,228,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,366.14 : 1,904,237.48 = 890,206.34 : x
  2. Step 2: Convert to fraction form
    1,380,366.14/1,904,237.48 = 890,206.34/x
  3. Step 3: Cross multiply
    1,380,366.14x = 1,904,237.48 × 890,206.34
  4. Step 4: Simplify right side
    1,380,366.14x = 1,695,164,277,561.62
  5. Step 5: Solve for x
    x = 1,695,164,277,561.62/1,380,366.14
  6. Step 6: Final answer
    x = 1,228,054.09

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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.