Home / 1,725,848.64-2,381,568.66-990,633.06

Finding the Fourth Proportional to 1,725,848.64, 2,381,568.66 and 990,633.06

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Solution

The fourth proportional to 1,725,848.64, 2,381,568.66 and 990,633.06 is: 1,367,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,848.64 : 2,381,568.66 = 990,633.06 : x
  2. Step 2: Convert to fraction form
    1,725,848.64/2,381,568.66 = 990,633.06/x
  3. Step 3: Cross multiply
    1,725,848.64x = 2,381,568.66 × 990,633.06
  4. Step 4: Simplify right side
    1,725,848.64x = 2,359,260,649,255.90
  5. Step 5: Solve for x
    x = 2,359,260,649,255.90/1,725,848.64
  6. Step 6: Final answer
    x = 1,367,014.81

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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.