Home / 1,775,978.28-2,450,800.26-971,145

Finding the Fourth Proportional to 1,775,978.28, 2,450,800.26 and 971,145

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Solution

The fourth proportional to 1,775,978.28, 2,450,800.26 and 971,145 is: 1,340,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,978.28 : 2,450,800.26 = 971,145 : x
  2. Step 2: Convert to fraction form
    1,775,978.28/2,450,800.26 = 971,145/x
  3. Step 3: Cross multiply
    1,775,978.28x = 2,450,800.26 × 971,145
  4. Step 4: Simplify right side
    1,775,978.28x = 2,380,082,418,497.70
  5. Step 5: Solve for x
    x = 2,380,082,418,497.70/1,775,978.28
  6. Step 6: Final answer
    x = 1,340,152.89

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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.