Home / 1,009,359.45-1,392,947.15-579,725.73

Finding the Fourth Proportional to 1,009,359.45, 1,392,947.15 and 579,725.73

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Solution

The fourth proportional to 1,009,359.45, 1,392,947.15 and 579,725.73 is: 800,039.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,359.45 : 1,392,947.15 = 579,725.73 : x
  2. Step 2: Convert to fraction form
    1,009,359.45/1,392,947.15 = 579,725.73/x
  3. Step 3: Cross multiply
    1,009,359.45x = 1,392,947.15 × 579,725.73
  4. Step 4: Simplify right side
    1,009,359.45x = 807,527,300,486.54
  5. Step 5: Solve for x
    x = 807,527,300,486.54/1,009,359.45
  6. Step 6: Final answer
    x = 800,039.37

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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.