Home / 1,254,480.22-1,731,218.20-710,615.88

Finding the Fourth Proportional to 1,254,480.22, 1,731,218.20 and 710,615.88

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Solution

The fourth proportional to 1,254,480.22, 1,731,218.20 and 710,615.88 is: 980,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,480.22 : 1,731,218.20 = 710,615.88 : x
  2. Step 2: Convert to fraction form
    1,254,480.22/1,731,218.20 = 710,615.88/x
  3. Step 3: Cross multiply
    1,254,480.22x = 1,731,218.20 × 710,615.88
  4. Step 4: Simplify right side
    1,254,480.22x = 1,230,231,144,665.02
  5. Step 5: Solve for x
    x = 1,230,231,144,665.02/1,254,480.22
  6. Step 6: Final answer
    x = 980,670.02

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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.