Home / 1,092,175.20-1,638,262.80-613,878.30

Finding the Fourth Proportional to 1,092,175.20, 1,638,262.80 and 613,878.30

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Solution

The fourth proportional to 1,092,175.20, 1,638,262.80 and 613,878.30 is: 920,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,175.20 : 1,638,262.80 = 613,878.30 : x
  2. Step 2: Convert to fraction form
    1,092,175.20/1,638,262.80 = 613,878.30/x
  3. Step 3: Cross multiply
    1,092,175.20x = 1,638,262.80 × 613,878.30
  4. Step 4: Simplify right side
    1,092,175.20x = 1,005,693,982,617.24
  5. Step 5: Solve for x
    x = 1,005,693,982,617.24/1,092,175.20
  6. Step 6: Final answer
    x = 920,817.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.