Home / 1,241,348.20-1,862,022.30-768,956.20

Finding the Fourth Proportional to 1,241,348.20, 1,862,022.30 and 768,956.20

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Solution

The fourth proportional to 1,241,348.20, 1,862,022.30 and 768,956.20 is: 1,153,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,348.20 : 1,862,022.30 = 768,956.20 : x
  2. Step 2: Convert to fraction form
    1,241,348.20/1,862,022.30 = 768,956.20/x
  3. Step 3: Cross multiply
    1,241,348.20x = 1,862,022.30 × 768,956.20
  4. Step 4: Simplify right side
    1,241,348.20x = 1,431,813,592,123.26
  5. Step 5: Solve for x
    x = 1,431,813,592,123.26/1,241,348.20
  6. Step 6: Final answer
    x = 1,153,434.30

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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.