Home / 1,136,908.40-1,705,362.66-338,201.36

Finding the Fourth Proportional to 1,136,908.40, 1,705,362.66 and 338,201.36

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Solution

The fourth proportional to 1,136,908.40, 1,705,362.66 and 338,201.36 is: 507,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,908.40 : 1,705,362.66 = 338,201.36 : x
  2. Step 2: Convert to fraction form
    1,136,908.40/1,705,362.66 = 338,201.36/x
  3. Step 3: Cross multiply
    1,136,908.40x = 1,705,362.66 × 338,201.36
  4. Step 4: Simplify right side
    1,136,908.40x = 576,755,970,905.22
  5. Step 5: Solve for x
    x = 576,755,970,905.22/1,136,908.40
  6. Step 6: Final answer
    x = 507,302.06

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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.