Home / 1,374,625.12-1,896,361.20-891,312.64

Finding the Fourth Proportional to 1,374,625.12, 1,896,361.20 and 891,312.64

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Solution

The fourth proportional to 1,374,625.12, 1,896,361.20 and 891,312.64 is: 1,229,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,625.12 : 1,896,361.20 = 891,312.64 : x
  2. Step 2: Convert to fraction form
    1,374,625.12/1,896,361.20 = 891,312.64/x
  3. Step 3: Cross multiply
    1,374,625.12x = 1,896,361.20 × 891,312.64
  4. Step 4: Simplify right side
    1,374,625.12x = 1,690,250,707,565.57
  5. Step 5: Solve for x
    x = 1,690,250,707,565.57/1,374,625.12
  6. Step 6: Final answer
    x = 1,229,608.48

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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.