Home / 1,211,484.40-1,817,226.60-928,049.20

Finding the Fourth Proportional to 1,211,484.40, 1,817,226.60 and 928,049.20

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Solution

The fourth proportional to 1,211,484.40, 1,817,226.60 and 928,049.20 is: 1,392,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,484.40 : 1,817,226.60 = 928,049.20 : x
  2. Step 2: Convert to fraction form
    1,211,484.40/1,817,226.60 = 928,049.20/x
  3. Step 3: Cross multiply
    1,211,484.40x = 1,817,226.60 × 928,049.20
  4. Step 4: Simplify right side
    1,211,484.40x = 1,686,475,692,348.72
  5. Step 5: Solve for x
    x = 1,686,475,692,348.72/1,211,484.40
  6. Step 6: Final answer
    x = 1,392,073.80

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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.