Home / 1,304,580.40-1,954,246.20-879,427.60

Finding the Fourth Proportional to 1,304,580.40, 1,954,246.20 and 879,427.60

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Solution

The fourth proportional to 1,304,580.40, 1,954,246.20 and 879,427.60 is: 1,317,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,580.40 : 1,954,246.20 = 879,427.60 : x
  2. Step 2: Convert to fraction form
    1,304,580.40/1,954,246.20 = 879,427.60/x
  3. Step 3: Cross multiply
    1,304,580.40x = 1,954,246.20 × 879,427.60
  4. Step 4: Simplify right side
    1,304,580.40x = 1,718,618,045,475.12
  5. Step 5: Solve for x
    x = 1,718,618,045,475.12/1,304,580.40
  6. Step 6: Final answer
    x = 1,317,372.27

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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.