Home / 1,109,576.37-1,664,459.42-389,855.51

Finding the Fourth Proportional to 1,109,576.37, 1,664,459.42 and 389,855.51

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Solution

The fourth proportional to 1,109,576.37, 1,664,459.42 and 389,855.51 is: 584,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,576.37 : 1,664,459.42 = 389,855.51 : x
  2. Step 2: Convert to fraction form
    1,109,576.37/1,664,459.42 = 389,855.51/x
  3. Step 3: Cross multiply
    1,109,576.37x = 1,664,459.42 × 389,855.51
  4. Step 4: Simplify right side
    1,109,576.37x = 648,898,676,058.40
  5. Step 5: Solve for x
    x = 648,898,676,058.40/1,109,576.37
  6. Step 6: Final answer
    x = 584,816.60

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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.