Home / 1,680,119.51-2,519,165.68-669,397.73

Finding the Fourth Proportional to 1,680,119.51, 2,519,165.68 and 669,397.73

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Solution

The fourth proportional to 1,680,119.51, 2,519,165.68 and 669,397.73 is: 1,003,692.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,119.51 : 2,519,165.68 = 669,397.73 : x
  2. Step 2: Convert to fraction form
    1,680,119.51/2,519,165.68 = 669,397.73/x
  3. Step 3: Cross multiply
    1,680,119.51x = 2,519,165.68 × 669,397.73
  4. Step 4: Simplify right side
    1,680,119.51x = 1,686,323,773,416.58
  5. Step 5: Solve for x
    x = 1,686,323,773,416.58/1,680,119.51
  6. Step 6: Final answer
    x = 1,003,692.75

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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.