Home / 1,389,062.31-2,083,674.12-536,138.79

Finding the Fourth Proportional to 1,389,062.31, 2,083,674.12 and 536,138.79

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Solution

The fourth proportional to 1,389,062.31, 2,083,674.12 and 536,138.79 is: 804,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,062.31 : 2,083,674.12 = 536,138.79 : x
  2. Step 2: Convert to fraction form
    1,389,062.31/2,083,674.12 = 536,138.79/x
  3. Step 3: Cross multiply
    1,389,062.31x = 2,083,674.12 × 536,138.79
  4. Step 4: Simplify right side
    1,389,062.31x = 1,117,138,521,451.12
  5. Step 5: Solve for x
    x = 1,117,138,521,451.12/1,389,062.31
  6. Step 6: Final answer
    x = 804,239.32

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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.