Home / 1,376,054.47-1,898,980.62-764,263.90

Finding the Fourth Proportional to 1,376,054.47, 1,898,980.62 and 764,263.90

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Solution

The fourth proportional to 1,376,054.47, 1,898,980.62 and 764,263.90 is: 1,054,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,054.47 : 1,898,980.62 = 764,263.90 : x
  2. Step 2: Convert to fraction form
    1,376,054.47/1,898,980.62 = 764,263.90/x
  3. Step 3: Cross multiply
    1,376,054.47x = 1,898,980.62 × 764,263.90
  4. Step 4: Simplify right side
    1,376,054.47x = 1,451,322,334,665.62
  5. Step 5: Solve for x
    x = 1,451,322,334,665.62/1,376,054.47
  6. Step 6: Final answer
    x = 1,054,698.32

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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.