Home / 1,109,576.70-1,664,459.93-389,855.85

Finding the Fourth Proportional to 1,109,576.70, 1,664,459.93 and 389,855.85

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Solution

The fourth proportional to 1,109,576.70, 1,664,459.93 and 389,855.85 is: 584,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,576.70 : 1,664,459.93 = 389,855.85 : x
  2. Step 2: Convert to fraction form
    1,109,576.70/1,664,459.93 = 389,855.85/x
  3. Step 3: Cross multiply
    1,109,576.70x = 1,664,459.93 × 389,855.85
  4. Step 4: Simplify right side
    1,109,576.70x = 648,899,435,133.46
  5. Step 5: Solve for x
    x = 648,899,435,133.46/1,109,576.70
  6. Step 6: Final answer
    x = 584,817.11

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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.