Home / 1,259,504.56-1,738,050.73-715,564.86

Finding the Fourth Proportional to 1,259,504.56, 1,738,050.73 and 715,564.86

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Solution

The fourth proportional to 1,259,504.56, 1,738,050.73 and 715,564.86 is: 987,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,504.56 : 1,738,050.73 = 715,564.86 : x
  2. Step 2: Convert to fraction form
    1,259,504.56/1,738,050.73 = 715,564.86/x
  3. Step 3: Cross multiply
    1,259,504.56x = 1,738,050.73 × 715,564.86
  4. Step 4: Simplify right side
    1,259,504.56x = 1,243,688,027,285.35
  5. Step 5: Solve for x
    x = 1,243,688,027,285.35/1,259,504.56
  6. Step 6: Final answer
    x = 987,442.26

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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.