Home / 1,403,635.06-2,105,232.97-456,999.40

Finding the Fourth Proportional to 1,403,635.06, 2,105,232.97 and 456,999.40

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Solution

The fourth proportional to 1,403,635.06, 2,105,232.97 and 456,999.40 is: 685,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,635.06 : 2,105,232.97 = 456,999.40 : x
  2. Step 2: Convert to fraction form
    1,403,635.06/2,105,232.97 = 456,999.40/x
  3. Step 3: Cross multiply
    1,403,635.06x = 2,105,232.97 × 456,999.40
  4. Step 4: Simplify right side
    1,403,635.06x = 962,090,204,150.22
  5. Step 5: Solve for x
    x = 962,090,204,150.22/1,403,635.06
  6. Step 6: Final answer
    x = 685,427.60

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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.