Home / 1,207,885.20-1,809,640.80-956,817.60

Finding the Fourth Proportional to 1,207,885.20, 1,809,640.80 and 956,817.60

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Solution

The fourth proportional to 1,207,885.20, 1,809,640.80 and 956,817.60 is: 1,433,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,885.20 : 1,809,640.80 = 956,817.60 : x
  2. Step 2: Convert to fraction form
    1,207,885.20/1,809,640.80 = 956,817.60/x
  3. Step 3: Cross multiply
    1,207,885.20x = 1,809,640.80 × 956,817.60
  4. Step 4: Simplify right side
    1,207,885.20x = 1,731,496,167,118.08
  5. Step 5: Solve for x
    x = 1,731,496,167,118.08/1,207,885.20
  6. Step 6: Final answer
    x = 1,433,493.98

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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.