Home / 1,392,909.36-2,091,300.96-719,488.32

Finding the Fourth Proportional to 1,392,909.36, 2,091,300.96 and 719,488.32

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Solution

The fourth proportional to 1,392,909.36, 2,091,300.96 and 719,488.32 is: 1,080,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,909.36 : 2,091,300.96 = 719,488.32 : x
  2. Step 2: Convert to fraction form
    1,392,909.36/2,091,300.96 = 719,488.32/x
  3. Step 3: Cross multiply
    1,392,909.36x = 2,091,300.96 × 719,488.32
  4. Step 4: Simplify right side
    1,392,909.36x = 1,504,666,614,324.79
  5. Step 5: Solve for x
    x = 1,504,666,614,324.79/1,392,909.36
  6. Step 6: Final answer
    x = 1,080,232.97

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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.