Home / 1,364,122.36-1,884,799.82-981,392.12

Finding the Fourth Proportional to 1,364,122.36, 1,884,799.82 and 981,392.12

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Solution

The fourth proportional to 1,364,122.36, 1,884,799.82 and 981,392.12 is: 1,355,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,122.36 : 1,884,799.82 = 981,392.12 : x
  2. Step 2: Convert to fraction form
    1,364,122.36/1,884,799.82 = 981,392.12/x
  3. Step 3: Cross multiply
    1,364,122.36x = 1,884,799.82 × 981,392.12
  4. Step 4: Simplify right side
    1,364,122.36x = 1,849,727,691,125.42
  5. Step 5: Solve for x
    x = 1,849,727,691,125.42/1,364,122.36
  6. Step 6: Final answer
    x = 1,355,983.70

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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.