Home / 1,190,482.06-1,642,884.31-646,618.22

Finding the Fourth Proportional to 1,190,482.06, 1,642,884.31 and 646,618.22

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Solution

The fourth proportional to 1,190,482.06, 1,642,884.31 and 646,618.22 is: 892,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,482.06 : 1,642,884.31 = 646,618.22 : x
  2. Step 2: Convert to fraction form
    1,190,482.06/1,642,884.31 = 646,618.22/x
  3. Step 3: Cross multiply
    1,190,482.06x = 1,642,884.31 × 646,618.22
  4. Step 4: Simplify right side
    1,190,482.06x = 1,062,318,921,422.84
  5. Step 5: Solve for x
    x = 1,062,318,921,422.84/1,190,482.06
  6. Step 6: Final answer
    x = 892,343.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.