Home / 1,412,631.45-1,949,421.60-768,051.90

Finding the Fourth Proportional to 1,412,631.45, 1,949,421.60 and 768,051.90

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Solution

The fourth proportional to 1,412,631.45, 1,949,421.60 and 768,051.90 is: 1,059,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,631.45 : 1,949,421.60 = 768,051.90 : x
  2. Step 2: Convert to fraction form
    1,412,631.45/1,949,421.60 = 768,051.90/x
  3. Step 3: Cross multiply
    1,412,631.45x = 1,949,421.60 × 768,051.90
  4. Step 4: Simplify right side
    1,412,631.45x = 1,497,256,963,781.04
  5. Step 5: Solve for x
    x = 1,497,256,963,781.04/1,412,631.45
  6. Step 6: Final answer
    x = 1,059,906.29

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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.