Home / 1,490,450.48-2,236,005.60-543,818.46

Finding the Fourth Proportional to 1,490,450.48, 2,236,005.60 and 543,818.46

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Solution

The fourth proportional to 1,490,450.48, 2,236,005.60 and 543,818.46 is: 815,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,450.48 : 2,236,005.60 = 543,818.46 : x
  2. Step 2: Convert to fraction form
    1,490,450.48/2,236,005.60 = 543,818.46/x
  3. Step 3: Cross multiply
    1,490,450.48x = 2,236,005.60 × 543,818.46
  4. Step 4: Simplify right side
    1,490,450.48x = 1,215,981,121,943.38
  5. Step 5: Solve for x
    x = 1,215,981,121,943.38/1,490,450.48
  6. Step 6: Final answer
    x = 815,848.05

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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.