Home / 1,512,200.80-2,268,301.20-980,322.40

Finding the Fourth Proportional to 1,512,200.80, 2,268,301.20 and 980,322.40

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Solution

The fourth proportional to 1,512,200.80, 2,268,301.20 and 980,322.40 is: 1,470,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,200.80 : 2,268,301.20 = 980,322.40 : x
  2. Step 2: Convert to fraction form
    1,512,200.80/2,268,301.20 = 980,322.40/x
  3. Step 3: Cross multiply
    1,512,200.80x = 2,268,301.20 × 980,322.40
  4. Step 4: Simplify right side
    1,512,200.80x = 2,223,666,476,306.88
  5. Step 5: Solve for x
    x = 2,223,666,476,306.88/1,512,200.80
  6. Step 6: Final answer
    x = 1,470,483.60

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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.