Home / 1,121,146.43-1,548,063.63-902,661.08

Finding the Fourth Proportional to 1,121,146.43, 1,548,063.63 and 902,661.08

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Solution

The fourth proportional to 1,121,146.43, 1,548,063.63 and 902,661.08 is: 1,246,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,146.43 : 1,548,063.63 = 902,661.08 : x
  2. Step 2: Convert to fraction form
    1,121,146.43/1,548,063.63 = 902,661.08/x
  3. Step 3: Cross multiply
    1,121,146.43x = 1,548,063.63 × 902,661.08
  4. Step 4: Simplify right side
    1,121,146.43x = 1,397,376,788,164.52
  5. Step 5: Solve for x
    x = 1,397,376,788,164.52/1,121,146.43
  6. Step 6: Final answer
    x = 1,246,382.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.