Home / 1,008,047.55-1,512,071.33-693,119.55

Finding the Fourth Proportional to 1,008,047.55, 1,512,071.33 and 693,119.55

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Solution

The fourth proportional to 1,008,047.55, 1,512,071.33 and 693,119.55 is: 1,039,679.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047.55 : 1,512,071.33 = 693,119.55 : x
  2. Step 2: Convert to fraction form
    1,008,047.55/1,512,071.33 = 693,119.55/x
  3. Step 3: Cross multiply
    1,008,047.55x = 1,512,071.33 × 693,119.55
  4. Step 4: Simplify right side
    1,008,047.55x = 1,048,046,196,351.90
  5. Step 5: Solve for x
    x = 1,048,046,196,351.90/1,008,047.55
  6. Step 6: Final answer
    x = 1,039,679.33

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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.