Home / 1,403,409.70-2,105,114.55-504,990.10

Finding the Fourth Proportional to 1,403,409.70, 2,105,114.55 and 504,990.10

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Solution

The fourth proportional to 1,403,409.70, 2,105,114.55 and 504,990.10 is: 757,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,409.70 : 2,105,114.55 = 504,990.10 : x
  2. Step 2: Convert to fraction form
    1,403,409.70/2,105,114.55 = 504,990.10/x
  3. Step 3: Cross multiply
    1,403,409.70x = 2,105,114.55 × 504,990.10
  4. Step 4: Simplify right side
    1,403,409.70x = 1,063,062,007,115.95
  5. Step 5: Solve for x
    x = 1,063,062,007,115.95/1,403,409.70
  6. Step 6: Final answer
    x = 757,485.15

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Double scale
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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.