Home / 1,012,915.94-1,518,813.05-414,297.52

Finding the Fourth Proportional to 1,012,915.94, 1,518,813.05 and 414,297.52

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Solution

The fourth proportional to 1,012,915.94, 1,518,813.05 and 414,297.52 is: 621,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,915.94 : 1,518,813.05 = 414,297.52 : x
  2. Step 2: Convert to fraction form
    1,012,915.94/1,518,813.05 = 414,297.52/x
  3. Step 3: Cross multiply
    1,012,915.94x = 1,518,813.05 × 414,297.52
  4. Step 4: Simplify right side
    1,012,915.94x = 629,240,474,090.12
  5. Step 5: Solve for x
    x = 629,240,474,090.12/1,012,915.94
  6. Step 6: Final answer
    x = 621,216.88

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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.