Home / 1,120,624.65-1,546,454.87-637,189.80

Finding the Fourth Proportional to 1,120,624.65, 1,546,454.87 and 637,189.80

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Solution

The fourth proportional to 1,120,624.65, 1,546,454.87 and 637,189.80 is: 879,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,624.65 : 1,546,454.87 = 637,189.80 : x
  2. Step 2: Convert to fraction form
    1,120,624.65/1,546,454.87 = 637,189.80/x
  3. Step 3: Cross multiply
    1,120,624.65x = 1,546,454.87 × 637,189.80
  4. Step 4: Simplify right side
    1,120,624.65x = 985,385,266,138.38
  5. Step 5: Solve for x
    x = 985,385,266,138.38/1,120,624.65
  6. Step 6: Final answer
    x = 879,317.86

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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.