Home / 1,091,505.80-1,637,258.70-492,753.80

Finding the Fourth Proportional to 1,091,505.80, 1,637,258.70 and 492,753.80

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Solution

The fourth proportional to 1,091,505.80, 1,637,258.70 and 492,753.80 is: 739,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,505.80 : 1,637,258.70 = 492,753.80 : x
  2. Step 2: Convert to fraction form
    1,091,505.80/1,637,258.70 = 492,753.80/x
  3. Step 3: Cross multiply
    1,091,505.80x = 1,637,258.70 × 492,753.80
  4. Step 4: Simplify right side
    1,091,505.80x = 806,765,446,008.06
  5. Step 5: Solve for x
    x = 806,765,446,008.06/1,091,505.80
  6. Step 6: Final answer
    x = 739,130.70

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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.