Home / 1,278,033.51-1,917,448.02-379,479.96

Finding the Fourth Proportional to 1,278,033.51, 1,917,448.02 and 379,479.96

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Solution

The fourth proportional to 1,278,033.51, 1,917,448.02 and 379,479.96 is: 569,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,033.51 : 1,917,448.02 = 379,479.96 : x
  2. Step 2: Convert to fraction form
    1,278,033.51/1,917,448.02 = 379,479.96/x
  3. Step 3: Cross multiply
    1,278,033.51x = 1,917,448.02 × 379,479.96
  4. Step 4: Simplify right side
    1,278,033.51x = 727,633,097,931.68
  5. Step 5: Solve for x
    x = 727,633,097,931.68/1,278,033.51
  6. Step 6: Final answer
    x = 569,338.04

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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.