Home / 1,254,161.20-1,730,765.26-710,409.89

Finding the Fourth Proportional to 1,254,161.20, 1,730,765.26 and 710,409.89

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Solution

The fourth proportional to 1,254,161.20, 1,730,765.26 and 710,409.89 is: 980,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,161.20 : 1,730,765.26 = 710,409.89 : x
  2. Step 2: Convert to fraction form
    1,254,161.20/1,730,765.26 = 710,409.89/x
  3. Step 3: Cross multiply
    1,254,161.20x = 1,730,765.26 × 710,409.89
  4. Step 4: Simplify right side
    1,254,161.20x = 1,229,552,745,766.55
  5. Step 5: Solve for x
    x = 1,229,552,745,766.55/1,254,161.20
  6. Step 6: Final answer
    x = 980,378.56

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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.