Home / 1,286,312.60-1,775,023.24-713,299.16

Finding the Fourth Proportional to 1,286,312.60, 1,775,023.24 and 713,299.16

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Solution

The fourth proportional to 1,286,312.60, 1,775,023.24 and 713,299.16 is: 984,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,312.60 : 1,775,023.24 = 713,299.16 : x
  2. Step 2: Convert to fraction form
    1,286,312.60/1,775,023.24 = 713,299.16/x
  3. Step 3: Cross multiply
    1,286,312.60x = 1,775,023.24 × 713,299.16
  4. Step 4: Simplify right side
    1,286,312.60x = 1,266,122,586,072.48
  5. Step 5: Solve for x
    x = 1,266,122,586,072.48/1,286,312.60
  6. Step 6: Final answer
    x = 984,303.96

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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.