Home / 1,123,872.40-1,685,808.60-993,964.60

Finding the Fourth Proportional to 1,123,872.40, 1,685,808.60 and 993,964.60

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Solution

The fourth proportional to 1,123,872.40, 1,685,808.60 and 993,964.60 is: 1,490,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,872.40 : 1,685,808.60 = 993,964.60 : x
  2. Step 2: Convert to fraction form
    1,123,872.40/1,685,808.60 = 993,964.60/x
  3. Step 3: Cross multiply
    1,123,872.40x = 1,685,808.60 × 993,964.60
  4. Step 4: Simplify right side
    1,123,872.40x = 1,675,634,070,775.56
  5. Step 5: Solve for x
    x = 1,675,634,070,775.56/1,123,872.40
  6. Step 6: Final answer
    x = 1,490,946.90

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Similar ratio
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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.