Home / 1,485,204.48-2,049,584.52-806,141.28

Finding the Fourth Proportional to 1,485,204.48, 2,049,584.52 and 806,141.28

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Solution

The fourth proportional to 1,485,204.48, 2,049,584.52 and 806,141.28 is: 1,112,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,204.48 : 2,049,584.52 = 806,141.28 : x
  2. Step 2: Convert to fraction form
    1,485,204.48/2,049,584.52 = 806,141.28/x
  3. Step 3: Cross multiply
    1,485,204.48x = 2,049,584.52 × 806,141.28
  4. Step 4: Simplify right side
    1,485,204.48x = 1,652,254,688,420.99
  5. Step 5: Solve for x
    x = 1,652,254,688,420.99/1,485,204.48
  6. Step 6: Final answer
    x = 1,112,476.24

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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.