Home / 1,000,082.28-1,380,556.80-637,980.96

Finding the Fourth Proportional to 1,000,082.28, 1,380,556.80 and 637,980.96

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Solution

The fourth proportional to 1,000,082.28, 1,380,556.80 and 637,980.96 is: 880,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,082.28 : 1,380,556.80 = 637,980.96 : x
  2. Step 2: Convert to fraction form
    1,000,082.28/1,380,556.80 = 637,980.96/x
  3. Step 3: Cross multiply
    1,000,082.28x = 1,380,556.80 × 637,980.96
  4. Step 4: Simplify right side
    1,000,082.28x = 880,768,952,598.53
  5. Step 5: Solve for x
    x = 880,768,952,598.53/1,000,082.28
  6. Step 6: Final answer
    x = 880,696.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.