Home / 1,215,276.32-1,823,112.12-373,828.88

Finding the Fourth Proportional to 1,215,276.32, 1,823,112.12 and 373,828.88

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Solution

The fourth proportional to 1,215,276.32, 1,823,112.12 and 373,828.88 is: 560,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,276.32 : 1,823,112.12 = 373,828.88 : x
  2. Step 2: Convert to fraction form
    1,215,276.32/1,823,112.12 = 373,828.88/x
  3. Step 3: Cross multiply
    1,215,276.32x = 1,823,112.12 × 373,828.88
  4. Step 4: Simplify right side
    1,215,276.32x = 681,531,961,934.03
  5. Step 5: Solve for x
    x = 681,531,961,934.03/1,215,276.32
  6. Step 6: Final answer
    x = 560,804.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.