Home / 1,503,653.88-2,255,443.29-438,705.30

Finding the Fourth Proportional to 1,503,653.88, 2,255,443.29 and 438,705.30

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Solution

The fourth proportional to 1,503,653.88, 2,255,443.29 and 438,705.30 is: 658,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,653.88 : 2,255,443.29 = 438,705.30 : x
  2. Step 2: Convert to fraction form
    1,503,653.88/2,255,443.29 = 438,705.30/x
  3. Step 3: Cross multiply
    1,503,653.88x = 2,255,443.29 × 438,705.30
  4. Step 4: Simplify right side
    1,503,653.88x = 989,474,925,172.44
  5. Step 5: Solve for x
    x = 989,474,925,172.44/1,503,653.88
  6. Step 6: Final answer
    x = 658,047.00

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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.