Home / 1,670,618.16-2,305,454.22-906,671.70

Finding the Fourth Proportional to 1,670,618.16, 2,305,454.22 and 906,671.70

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Solution

The fourth proportional to 1,670,618.16, 2,305,454.22 and 906,671.70 is: 1,251,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,618.16 : 2,305,454.22 = 906,671.70 : x
  2. Step 2: Convert to fraction form
    1,670,618.16/2,305,454.22 = 906,671.70/x
  3. Step 3: Cross multiply
    1,670,618.16x = 2,305,454.22 × 906,671.70
  4. Step 4: Simplify right side
    1,670,618.16x = 2,090,290,096,919.57
  5. Step 5: Solve for x
    x = 2,090,290,096,919.57/1,670,618.16
  6. Step 6: Final answer
    x = 1,251,207.58

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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.