Home / 1,670,769.18-2,305,599.78-906,806.34

Finding the Fourth Proportional to 1,670,769.18, 2,305,599.78 and 906,806.34

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Solution

The fourth proportional to 1,670,769.18, 2,305,599.78 and 906,806.34 is: 1,251,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,769.18 : 2,305,599.78 = 906,806.34 : x
  2. Step 2: Convert to fraction form
    1,670,769.18/2,305,599.78 = 906,806.34/x
  3. Step 3: Cross multiply
    1,670,769.18x = 2,305,599.78 × 906,806.34
  4. Step 4: Simplify right side
    1,670,769.18x = 2,090,732,498,006.61
  5. Step 5: Solve for x
    x = 2,090,732,498,006.61/1,670,769.18
  6. Step 6: Final answer
    x = 1,251,359.27

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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.