Home / 1,716,257.20-2,574,385.80-1,318,903.60

Finding the Fourth Proportional to 1,716,257.20, 2,574,385.80 and 1,318,903.60

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Solution

The fourth proportional to 1,716,257.20, 2,574,385.80 and 1,318,903.60 is: 1,978,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,257.20 : 2,574,385.80 = 1,318,903.60 : x
  2. Step 2: Convert to fraction form
    1,716,257.20/2,574,385.80 = 1,318,903.60/x
  3. Step 3: Cross multiply
    1,716,257.20x = 2,574,385.80 × 1,318,903.60
  4. Step 4: Simplify right side
    1,716,257.20x = 3,395,366,699,408.88
  5. Step 5: Solve for x
    x = 3,395,366,699,408.88/1,716,257.20
  6. Step 6: Final answer
    x = 1,978,355.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.