Home / 1,087,481.10-1,500,887.43-782,566.86

Finding the Fourth Proportional to 1,087,481.10, 1,500,887.43 and 782,566.86

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Solution

The fourth proportional to 1,087,481.10, 1,500,887.43 and 782,566.86 is: 1,080,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,481.10 : 1,500,887.43 = 782,566.86 : x
  2. Step 2: Convert to fraction form
    1,087,481.10/1,500,887.43 = 782,566.86/x
  3. Step 3: Cross multiply
    1,087,481.10x = 1,500,887.43 × 782,566.86
  4. Step 4: Simplify right side
    1,087,481.10x = 1,174,544,763,308.57
  5. Step 5: Solve for x
    x = 1,174,544,763,308.57/1,087,481.10
  6. Step 6: Final answer
    x = 1,080,059.93

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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.