Home / 1,616,767-2,425,140.78-418,686.28

Finding the Fourth Proportional to 1,616,767, 2,425,140.78 and 418,686.28

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Solution

The fourth proportional to 1,616,767, 2,425,140.78 and 418,686.28 is: 628,026.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,767 : 2,425,140.78 = 418,686.28 : x
  2. Step 2: Convert to fraction form
    1,616,767/2,425,140.78 = 418,686.28/x
  3. Step 3: Cross multiply
    1,616,767x = 2,425,140.78 × 418,686.28
  4. Step 4: Simplify right side
    1,616,767x = 1,015,373,171,654.50
  5. Step 5: Solve for x
    x = 1,015,373,171,654.50/1,616,767
  6. Step 6: Final answer
    x = 628,026.90

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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.