Home / 1,405,885.67-2,107,408.23-553,555.34

Finding the Fourth Proportional to 1,405,885.67, 2,107,408.23 and 553,555.34

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Solution

The fourth proportional to 1,405,885.67, 2,107,408.23 and 553,555.34 is: 829,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,885.67 : 2,107,408.23 = 553,555.34 : x
  2. Step 2: Convert to fraction form
    1,405,885.67/2,107,408.23 = 553,555.34/x
  3. Step 3: Cross multiply
    1,405,885.67x = 2,107,408.23 × 553,555.34
  4. Step 4: Simplify right side
    1,405,885.67x = 1,166,567,079,276.45
  5. Step 5: Solve for x
    x = 1,166,567,079,276.45/1,405,885.67
  6. Step 6: Final answer
    x = 829,773.79

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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.