Home / 1,615,531.68-2,422,131.12-492,988.32

Finding the Fourth Proportional to 1,615,531.68, 2,422,131.12 and 492,988.32

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Solution

The fourth proportional to 1,615,531.68, 2,422,131.12 and 492,988.32 is: 739,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,531.68 : 2,422,131.12 = 492,988.32 : x
  2. Step 2: Convert to fraction form
    1,615,531.68/2,422,131.12 = 492,988.32/x
  3. Step 3: Cross multiply
    1,615,531.68x = 2,422,131.12 × 492,988.32
  4. Step 4: Simplify right side
    1,615,531.68x = 1,194,082,351,668.52
  5. Step 5: Solve for x
    x = 1,194,082,351,668.52/1,615,531.68
  6. Step 6: Final answer
    x = 739,126.55

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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.