Home / 1,670,868.18-2,305,736.46-906,905.34

Finding the Fourth Proportional to 1,670,868.18, 2,305,736.46 and 906,905.34

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Solution

The fourth proportional to 1,670,868.18, 2,305,736.46 and 906,905.34 is: 1,251,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,868.18 : 2,305,736.46 = 906,905.34 : x
  2. Step 2: Convert to fraction form
    1,670,868.18/2,305,736.46 = 906,905.34/x
  3. Step 3: Cross multiply
    1,670,868.18x = 2,305,736.46 × 906,905.34
  4. Step 4: Simplify right side
    1,670,868.18x = 2,091,084,708,206.70
  5. Step 5: Solve for x
    x = 2,091,084,708,206.70/1,670,868.18
  6. Step 6: Final answer
    x = 1,251,495.92

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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.