Home / 1,083,300.51-1,624,342.97-742,129.43

Finding the Fourth Proportional to 1,083,300.51, 1,624,342.97 and 742,129.43

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Solution

The fourth proportional to 1,083,300.51, 1,624,342.97 and 742,129.43 is: 1,112,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,300.51 : 1,624,342.97 = 742,129.43 : x
  2. Step 2: Convert to fraction form
    1,083,300.51/1,624,342.97 = 742,129.43/x
  3. Step 3: Cross multiply
    1,083,300.51x = 1,624,342.97 × 742,129.43
  4. Step 4: Simplify right side
    1,083,300.51x = 1,205,472,710,618.25
  5. Step 5: Solve for x
    x = 1,205,472,710,618.25/1,083,300.51
  6. Step 6: Final answer
    x = 1,112,777.76

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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.