Home / 1,205,484.12-1,808,226.09-939,443.67

Finding the Fourth Proportional to 1,205,484.12, 1,808,226.09 and 939,443.67

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Solution

The fourth proportional to 1,205,484.12, 1,808,226.09 and 939,443.67 is: 1,409,165.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,484.12 : 1,808,226.09 = 939,443.67 : x
  2. Step 2: Convert to fraction form
    1,205,484.12/1,808,226.09 = 939,443.67/x
  3. Step 3: Cross multiply
    1,205,484.12x = 1,808,226.09 × 939,443.67
  4. Step 4: Simplify right side
    1,205,484.12x = 1,698,726,554,179.35
  5. Step 5: Solve for x
    x = 1,698,726,554,179.35/1,205,484.12
  6. Step 6: Final answer
    x = 1,409,165.43

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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.