Home / 1,028,806.04-1,420,125-837,487.28

Finding the Fourth Proportional to 1,028,806.04, 1,420,125 and 837,487.28

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Solution

The fourth proportional to 1,028,806.04, 1,420,125 and 837,487.28 is: 1,156,035.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,806.04 : 1,420,125 = 837,487.28 : x
  2. Step 2: Convert to fraction form
    1,028,806.04/1,420,125 = 837,487.28/x
  3. Step 3: Cross multiply
    1,028,806.04x = 1,420,125 × 837,487.28
  4. Step 4: Simplify right side
    1,028,806.04x = 1,189,336,623,510
  5. Step 5: Solve for x
    x = 1,189,336,623,510/1,028,806.04
  6. Step 6: Final answer
    x = 1,156,035.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.