Home / 1,267,254.50-1,748,380.65-722,999.30

Finding the Fourth Proportional to 1,267,254.50, 1,748,380.65 and 722,999.30

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Solution

The fourth proportional to 1,267,254.50, 1,748,380.65 and 722,999.30 is: 997,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,254.50 : 1,748,380.65 = 722,999.30 : x
  2. Step 2: Convert to fraction form
    1,267,254.50/1,748,380.65 = 722,999.30/x
  3. Step 3: Cross multiply
    1,267,254.50x = 1,748,380.65 × 722,999.30
  4. Step 4: Simplify right side
    1,267,254.50x = 1,264,077,986,083.55
  5. Step 5: Solve for x
    x = 1,264,077,986,083.55/1,267,254.50
  6. Step 6: Final answer
    x = 997,493.39

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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.