Home / 1,013,887.96-1,399,163.34-555,002.68

Finding the Fourth Proportional to 1,013,887.96, 1,399,163.34 and 555,002.68

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Solution

The fourth proportional to 1,013,887.96, 1,399,163.34 and 555,002.68 is: 765,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,887.96 : 1,399,163.34 = 555,002.68 : x
  2. Step 2: Convert to fraction form
    1,013,887.96/1,399,163.34 = 555,002.68/x
  3. Step 3: Cross multiply
    1,013,887.96x = 1,399,163.34 × 555,002.68
  4. Step 4: Simplify right side
    1,013,887.96x = 776,539,403,457.75
  5. Step 5: Solve for x
    x = 776,539,403,457.75/1,013,887.96
  6. Step 6: Final answer
    x = 765,902.58

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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.