Home / 1,319,748.96-1,821,258.56-716,136.96

Finding the Fourth Proportional to 1,319,748.96, 1,821,258.56 and 716,136.96

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Solution

The fourth proportional to 1,319,748.96, 1,821,258.56 and 716,136.96 is: 988,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,748.96 : 1,821,258.56 = 716,136.96 : x
  2. Step 2: Convert to fraction form
    1,319,748.96/1,821,258.56 = 716,136.96/x
  3. Step 3: Cross multiply
    1,319,748.96x = 1,821,258.56 × 716,136.96
  4. Step 4: Simplify right side
    1,319,748.96x = 1,304,270,568,532.38
  5. Step 5: Solve for x
    x = 1,304,270,568,532.38/1,319,748.96
  6. Step 6: Final answer
    x = 988,271.72

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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.