Home / 1,196,342.58-1,650,019.20-766,662.68

Finding the Fourth Proportional to 1,196,342.58, 1,650,019.20 and 766,662.68

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Solution

The fourth proportional to 1,196,342.58, 1,650,019.20 and 766,662.68 is: 1,057,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,342.58 : 1,650,019.20 = 766,662.68 : x
  2. Step 2: Convert to fraction form
    1,196,342.58/1,650,019.20 = 766,662.68/x
  3. Step 3: Cross multiply
    1,196,342.58x = 1,650,019.20 × 766,662.68
  4. Step 4: Simplify right side
    1,196,342.58x = 1,265,008,141,923.46
  5. Step 5: Solve for x
    x = 1,265,008,141,923.46/1,196,342.58
  6. Step 6: Final answer
    x = 1,057,396.24

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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.