Home / 1,316,343.82-1,974,589.58-369,640.72

Finding the Fourth Proportional to 1,316,343.82, 1,974,589.58 and 369,640.72

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Solution

The fourth proportional to 1,316,343.82, 1,974,589.58 and 369,640.72 is: 554,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,343.82 : 1,974,589.58 = 369,640.72 : x
  2. Step 2: Convert to fraction form
    1,316,343.82/1,974,589.58 = 369,640.72/x
  3. Step 3: Cross multiply
    1,316,343.82x = 1,974,589.58 × 369,640.72
  4. Step 4: Simplify right side
    1,316,343.82x = 729,888,714,055.70
  5. Step 5: Solve for x
    x = 729,888,714,055.70/1,316,343.82
  6. Step 6: Final answer
    x = 554,481.82

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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.