Home / 1,459,880.40-2,189,431.80-449,000.40

Finding the Fourth Proportional to 1,459,880.40, 2,189,431.80 and 449,000.40

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Solution

The fourth proportional to 1,459,880.40, 2,189,431.80 and 449,000.40 is: 673,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,880.40 : 2,189,431.80 = 449,000.40 : x
  2. Step 2: Convert to fraction form
    1,459,880.40/2,189,431.80 = 449,000.40/x
  3. Step 3: Cross multiply
    1,459,880.40x = 2,189,431.80 × 449,000.40
  4. Step 4: Simplify right side
    1,459,880.40x = 983,055,753,972.72
  5. Step 5: Solve for x
    x = 983,055,753,972.72/1,459,880.40
  6. Step 6: Final answer
    x = 673,381.02

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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.