Home / 1,515,274.92-2,091,836.34-942,499.08

Finding the Fourth Proportional to 1,515,274.92, 2,091,836.34 and 942,499.08

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Solution

The fourth proportional to 1,515,274.92, 2,091,836.34 and 942,499.08 is: 1,301,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,274.92 : 2,091,836.34 = 942,499.08 : x
  2. Step 2: Convert to fraction form
    1,515,274.92/2,091,836.34 = 942,499.08/x
  3. Step 3: Cross multiply
    1,515,274.92x = 2,091,836.34 × 942,499.08
  4. Step 4: Simplify right side
    1,515,274.92x = 1,971,553,825,960.57
  5. Step 5: Solve for x
    x = 1,971,553,825,960.57/1,515,274.92
  6. Step 6: Final answer
    x = 1,301,119.55

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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.