Home / 1,280,025.48-1,918,910.96-522,503.66

Finding the Fourth Proportional to 1,280,025.48, 1,918,910.96 and 522,503.66

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Solution

The fourth proportional to 1,280,025.48, 1,918,910.96 and 522,503.66 is: 783,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,025.48 : 1,918,910.96 = 522,503.66 : x
  2. Step 2: Convert to fraction form
    1,280,025.48/1,918,910.96 = 522,503.66/x
  3. Step 3: Cross multiply
    1,280,025.48x = 1,918,910.96 × 522,503.66
  4. Step 4: Simplify right side
    1,280,025.48x = 1,002,638,003,958.26
  5. Step 5: Solve for x
    x = 1,002,638,003,958.26/1,280,025.48
  6. Step 6: Final answer
    x = 783,295.35

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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.