Home / 1,318,459-1,976,515.62-476,823.64

Finding the Fourth Proportional to 1,318,459, 1,976,515.62 and 476,823.64

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Solution

The fourth proportional to 1,318,459, 1,976,515.62 and 476,823.64 is: 714,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,459 : 1,976,515.62 = 476,823.64 : x
  2. Step 2: Convert to fraction form
    1,318,459/1,976,515.62 = 476,823.64/x
  3. Step 3: Cross multiply
    1,318,459x = 1,976,515.62 × 476,823.64
  4. Step 4: Simplify right side
    1,318,459x = 942,449,372,445.26
  5. Step 5: Solve for x
    x = 942,449,372,445.26/1,318,459
  6. Step 6: Final answer
    x = 714,811.29

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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.