Home / 1,188,678.02-1,779,867.69-626,531.54

Finding the Fourth Proportional to 1,188,678.02, 1,779,867.69 and 626,531.54

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Solution

The fourth proportional to 1,188,678.02, 1,779,867.69 and 626,531.54 is: 938,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,678.02 : 1,779,867.69 = 626,531.54 : x
  2. Step 2: Convert to fraction form
    1,188,678.02/1,779,867.69 = 626,531.54/x
  3. Step 3: Cross multiply
    1,188,678.02x = 1,779,867.69 × 626,531.54
  4. Step 4: Simplify right side
    1,188,678.02x = 1,115,143,235,912.60
  5. Step 5: Solve for x
    x = 1,115,143,235,912.60/1,188,678.02
  6. Step 6: Final answer
    x = 938,137.34

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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.