Home / 1,670,780.72-2,305,679.10-906,834.44

Finding the Fourth Proportional to 1,670,780.72, 2,305,679.10 and 906,834.44

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Solution

The fourth proportional to 1,670,780.72, 2,305,679.10 and 906,834.44 is: 1,251,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,780.72 : 2,305,679.10 = 906,834.44 : x
  2. Step 2: Convert to fraction form
    1,670,780.72/2,305,679.10 = 906,834.44/x
  3. Step 3: Cross multiply
    1,670,780.72x = 2,305,679.10 × 906,834.44
  4. Step 4: Simplify right side
    1,670,780.72x = 2,090,869,215,468.20
  5. Step 5: Solve for x
    x = 2,090,869,215,468.20/1,670,780.72
  6. Step 6: Final answer
    x = 1,251,432.45

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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.