Home / 756,054.70-1,134,082.05-679,072.30

Finding the Fourth Proportional to 756,054.70, 1,134,082.05 and 679,072.30

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Solution

The fourth proportional to 756,054.70, 1,134,082.05 and 679,072.30 is: 1,018,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,054.70 : 1,134,082.05 = 679,072.30 : x
  2. Step 2: Convert to fraction form
    756,054.70/1,134,082.05 = 679,072.30/x
  3. Step 3: Cross multiply
    756,054.70x = 1,134,082.05 × 679,072.30
  4. Step 4: Simplify right side
    756,054.70x = 770,123,706,082.22
  5. Step 5: Solve for x
    x = 770,123,706,082.22/756,054.70
  6. Step 6: Final answer
    x = 1,018,608.45

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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.