Home / 1,318,530.88-1,977,796.24-476,885.76

Finding the Fourth Proportional to 1,318,530.88, 1,977,796.24 and 476,885.76

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Solution

The fourth proportional to 1,318,530.88, 1,977,796.24 and 476,885.76 is: 715,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,530.88 : 1,977,796.24 = 476,885.76 : x
  2. Step 2: Convert to fraction form
    1,318,530.88/1,977,796.24 = 476,885.76/x
  3. Step 3: Cross multiply
    1,318,530.88x = 1,977,796.24 × 476,885.76
  4. Step 4: Simplify right side
    1,318,530.88x = 943,182,863,037.54
  5. Step 5: Solve for x
    x = 943,182,863,037.54/1,318,530.88
  6. Step 6: Final answer
    x = 715,328.61

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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.