Home / 1,421,793.32-1,962,427.37-810,308.75

Finding the Fourth Proportional to 1,421,793.32, 1,962,427.37 and 810,308.75

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Solution

The fourth proportional to 1,421,793.32, 1,962,427.37 and 810,308.75 is: 1,118,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,793.32 : 1,962,427.37 = 810,308.75 : x
  2. Step 2: Convert to fraction form
    1,421,793.32/1,962,427.37 = 810,308.75/x
  3. Step 3: Cross multiply
    1,421,793.32x = 1,962,427.37 × 810,308.75
  4. Step 4: Simplify right side
    1,421,793.32x = 1,590,172,055,286.81
  5. Step 5: Solve for x
    x = 1,590,172,055,286.81/1,421,793.32
  6. Step 6: Final answer
    x = 1,118,427.02

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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.