Home / 1,769,012.96-2,653,006.30-689,284.67

Finding the Fourth Proportional to 1,769,012.96, 2,653,006.30 and 689,284.67

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Solution

The fourth proportional to 1,769,012.96, 2,653,006.30 and 689,284.67 is: 1,033,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,012.96 : 2,653,006.30 = 689,284.67 : x
  2. Step 2: Convert to fraction form
    1,769,012.96/2,653,006.30 = 689,284.67/x
  3. Step 3: Cross multiply
    1,769,012.96x = 2,653,006.30 × 689,284.67
  4. Step 4: Simplify right side
    1,769,012.96x = 1,828,676,557,015.18
  5. Step 5: Solve for x
    x = 1,828,676,557,015.18/1,769,012.96
  6. Step 6: Final answer
    x = 1,033,727.06

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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.