Home / 1,334,645.88-1,841,994.57-818,308.46

Finding the Fourth Proportional to 1,334,645.88, 1,841,994.57 and 818,308.46

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Solution

The fourth proportional to 1,334,645.88, 1,841,994.57 and 818,308.46 is: 1,129,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,645.88 : 1,841,994.57 = 818,308.46 : x
  2. Step 2: Convert to fraction form
    1,334,645.88/1,841,994.57 = 818,308.46/x
  3. Step 3: Cross multiply
    1,334,645.88x = 1,841,994.57 × 818,308.46
  4. Step 4: Simplify right side
    1,334,645.88x = 1,507,319,730,695.09
  5. Step 5: Solve for x
    x = 1,507,319,730,695.09/1,334,645.88
  6. Step 6: Final answer
    x = 1,129,378.03

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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.