Home / 1,241,381.40-1,862,993.70-493,963.80

Finding the Fourth Proportional to 1,241,381.40, 1,862,993.70 and 493,963.80

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Solution

The fourth proportional to 1,241,381.40, 1,862,993.70 and 493,963.80 is: 741,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,381.40 : 1,862,993.70 = 493,963.80 : x
  2. Step 2: Convert to fraction form
    1,241,381.40/1,862,993.70 = 493,963.80/x
  3. Step 3: Cross multiply
    1,241,381.40x = 1,862,993.70 × 493,963.80
  4. Step 4: Simplify right side
    1,241,381.40x = 920,251,447,428.06
  5. Step 5: Solve for x
    x = 920,251,447,428.06/1,241,381.40
  6. Step 6: Final answer
    x = 741,312.42

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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.