Home / 1,006,213.22-1,509,319.82-689,710.58

Finding the Fourth Proportional to 1,006,213.22, 1,509,319.82 and 689,710.58

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Solution

The fourth proportional to 1,006,213.22, 1,509,319.82 and 689,710.58 is: 1,034,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,213.22 : 1,509,319.82 = 689,710.58 : x
  2. Step 2: Convert to fraction form
    1,006,213.22/1,509,319.82 = 689,710.58/x
  3. Step 3: Cross multiply
    1,006,213.22x = 1,509,319.82 × 689,710.58
  4. Step 4: Simplify right side
    1,006,213.22x = 1,040,993,848,457.70
  5. Step 5: Solve for x
    x = 1,040,993,848,457.70/1,006,213.22
  6. Step 6: Final answer
    x = 1,034,565.86

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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.