Home / 1,080,116.52-1,620,404.40-369,953.88

Finding the Fourth Proportional to 1,080,116.52, 1,620,404.40 and 369,953.88

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Solution

The fourth proportional to 1,080,116.52, 1,620,404.40 and 369,953.88 is: 555,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,116.52 : 1,620,404.40 = 369,953.88 : x
  2. Step 2: Convert to fraction form
    1,080,116.52/1,620,404.40 = 369,953.88/x
  3. Step 3: Cross multiply
    1,080,116.52x = 1,620,404.40 × 369,953.88
  4. Step 4: Simplify right side
    1,080,116.52x = 599,474,894,949.07
  5. Step 5: Solve for x
    x = 599,474,894,949.07/1,080,116.52
  6. Step 6: Final answer
    x = 555,009.47

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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.