Home / 1,484,021.80-2,223,408.30-1,258,323.40

Finding the Fourth Proportional to 1,484,021.80, 2,223,408.30 and 1,258,323.40

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Solution

The fourth proportional to 1,484,021.80, 2,223,408.30 and 1,258,323.40 is: 1,885,259.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,021.80 : 2,223,408.30 = 1,258,323.40 : x
  2. Step 2: Convert to fraction form
    1,484,021.80/2,223,408.30 = 1,258,323.40/x
  3. Step 3: Cross multiply
    1,484,021.80x = 2,223,408.30 × 1,258,323.40
  4. Step 4: Simplify right side
    1,484,021.80x = 2,797,766,691,644.22
  5. Step 5: Solve for x
    x = 2,797,766,691,644.22/1,484,021.80
  6. Step 6: Final answer
    x = 1,885,259.83

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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.