Home / 1,241,390.40-1,863,007.20-493,972.80

Finding the Fourth Proportional to 1,241,390.40, 1,863,007.20 and 493,972.80

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Solution

The fourth proportional to 1,241,390.40, 1,863,007.20 and 493,972.80 is: 741,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,390.40 : 1,863,007.20 = 493,972.80 : x
  2. Step 2: Convert to fraction form
    1,241,390.40/1,863,007.20 = 493,972.80/x
  3. Step 3: Cross multiply
    1,241,390.40x = 1,863,007.20 × 493,972.80
  4. Step 4: Simplify right side
    1,241,390.40x = 920,274,883,004.16
  5. Step 5: Solve for x
    x = 920,274,883,004.16/1,241,390.40
  6. Step 6: Final answer
    x = 741,325.92

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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.