Home / 1,190,475.04-1,642,867.61-646,621.44

Finding the Fourth Proportional to 1,190,475.04, 1,642,867.61 and 646,621.44

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Solution

The fourth proportional to 1,190,475.04, 1,642,867.61 and 646,621.44 is: 892,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,475.04 : 1,642,867.61 = 646,621.44 : x
  2. Step 2: Convert to fraction form
    1,190,475.04/1,642,867.61 = 646,621.44/x
  3. Step 3: Cross multiply
    1,190,475.04x = 1,642,867.61 × 646,621.44
  4. Step 4: Simplify right side
    1,190,475.04x = 1,062,313,419,707.56
  5. Step 5: Solve for x
    x = 1,062,313,419,707.56/1,190,475.04
  6. Step 6: Final answer
    x = 892,344.13

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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.