Home / 1,503,635.88-2,255,416.29-438,687.30

Finding the Fourth Proportional to 1,503,635.88, 2,255,416.29 and 438,687.30

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Solution

The fourth proportional to 1,503,635.88, 2,255,416.29 and 438,687.30 is: 658,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,635.88 : 2,255,416.29 = 438,687.30 : x
  2. Step 2: Convert to fraction form
    1,503,635.88/2,255,416.29 = 438,687.30/x
  3. Step 3: Cross multiply
    1,503,635.88x = 2,255,416.29 × 438,687.30
  4. Step 4: Simplify right side
    1,503,635.88x = 989,422,482,636.12
  5. Step 5: Solve for x
    x = 989,422,482,636.12/1,503,635.88
  6. Step 6: Final answer
    x = 658,020.00

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Double scale
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1.5x scale

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.