Home / 1,308,520.64-1,805,491.32-764,551.32

Finding the Fourth Proportional to 1,308,520.64, 1,805,491.32 and 764,551.32

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Solution

The fourth proportional to 1,308,520.64, 1,805,491.32 and 764,551.32 is: 1,054,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,520.64 : 1,805,491.32 = 764,551.32 : x
  2. Step 2: Convert to fraction form
    1,308,520.64/1,805,491.32 = 764,551.32/x
  3. Step 3: Cross multiply
    1,308,520.64x = 1,805,491.32 × 764,551.32
  4. Step 4: Simplify right side
    1,308,520.64x = 1,380,390,771,954.54
  5. Step 5: Solve for x
    x = 1,380,390,771,954.54/1,308,520.64
  6. Step 6: Final answer
    x = 1,054,924.72

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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.