Home / 946,946.70-1,420,420.05-628,082.10

Finding the Fourth Proportional to 946,946.70, 1,420,420.05 and 628,082.10

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Solution

The fourth proportional to 946,946.70, 1,420,420.05 and 628,082.10 is: 942,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,946.70 : 1,420,420.05 = 628,082.10 : x
  2. Step 2: Convert to fraction form
    946,946.70/1,420,420.05 = 628,082.10/x
  3. Step 3: Cross multiply
    946,946.70x = 1,420,420.05 × 628,082.10
  4. Step 4: Simplify right side
    946,946.70x = 892,140,407,886.11
  5. Step 5: Solve for x
    x = 892,140,407,886.11/946,946.70
  6. Step 6: Final answer
    x = 942,123.15

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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.