Home / 1,769,352.64-2,440,086.36-1,311,607.46

Finding the Fourth Proportional to 1,769,352.64, 2,440,086.36 and 1,311,607.46

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Solution

The fourth proportional to 1,769,352.64, 2,440,086.36 and 1,311,607.46 is: 1,808,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,352.64 : 2,440,086.36 = 1,311,607.46 : x
  2. Step 2: Convert to fraction form
    1,769,352.64/2,440,086.36 = 1,311,607.46/x
  3. Step 3: Cross multiply
    1,769,352.64x = 2,440,086.36 × 1,311,607.46
  4. Step 4: Simplify right side
    1,769,352.64x = 3,200,435,474,001.93
  5. Step 5: Solve for x
    x = 3,200,435,474,001.93/1,769,352.64
  6. Step 6: Final answer
    x = 1,808,817.19

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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.