Home / 1,118,429.44-1,543,584.84-659,673.76

Finding the Fourth Proportional to 1,118,429.44, 1,543,584.84 and 659,673.76

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Solution

The fourth proportional to 1,118,429.44, 1,543,584.84 and 659,673.76 is: 910,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,429.44 : 1,543,584.84 = 659,673.76 : x
  2. Step 2: Convert to fraction form
    1,118,429.44/1,543,584.84 = 659,673.76/x
  3. Step 3: Cross multiply
    1,118,429.44x = 1,543,584.84 × 659,673.76
  4. Step 4: Simplify right side
    1,118,429.44x = 1,018,262,415,281.80
  5. Step 5: Solve for x
    x = 1,018,262,415,281.80/1,118,429.44
  6. Step 6: Final answer
    x = 910,439.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.