Home / 1,290,274.08-1,935,998.64-658,862.88

Finding the Fourth Proportional to 1,290,274.08, 1,935,998.64 and 658,862.88

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Solution

The fourth proportional to 1,290,274.08, 1,935,998.64 and 658,862.88 is: 988,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,274.08 : 1,935,998.64 = 658,862.88 : x
  2. Step 2: Convert to fraction form
    1,290,274.08/1,935,998.64 = 658,862.88/x
  3. Step 3: Cross multiply
    1,290,274.08x = 1,935,998.64 × 658,862.88
  4. Step 4: Simplify right side
    1,290,274.08x = 1,275,557,639,626.48
  5. Step 5: Solve for x
    x = 1,275,557,639,626.48/1,290,274.08
  6. Step 6: Final answer
    x = 988,594.33

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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.