Home / 1,364,961.65-2,048,699.07-691,511.45

Finding the Fourth Proportional to 1,364,961.65, 2,048,699.07 and 691,511.45

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Solution

The fourth proportional to 1,364,961.65, 2,048,699.07 and 691,511.45 is: 1,037,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,961.65 : 2,048,699.07 = 691,511.45 : x
  2. Step 2: Convert to fraction form
    1,364,961.65/2,048,699.07 = 691,511.45/x
  3. Step 3: Cross multiply
    1,364,961.65x = 2,048,699.07 × 691,511.45
  4. Step 4: Simplify right side
    1,364,961.65x = 1,416,698,854,265.86
  5. Step 5: Solve for x
    x = 1,416,698,854,265.86/1,364,961.65
  6. Step 6: Final answer
    x = 1,037,903.78

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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.