Home / 1,113,987.24-1,670,979.76-394,855.76

Finding the Fourth Proportional to 1,113,987.24, 1,670,979.76 and 394,855.76

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Solution

The fourth proportional to 1,113,987.24, 1,670,979.76 and 394,855.76 is: 592,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,987.24 : 1,670,979.76 = 394,855.76 : x
  2. Step 2: Convert to fraction form
    1,113,987.24/1,670,979.76 = 394,855.76/x
  3. Step 3: Cross multiply
    1,113,987.24x = 1,670,979.76 × 394,855.76
  4. Step 4: Simplify right side
    1,113,987.24x = 659,795,983,079.42
  5. Step 5: Solve for x
    x = 659,795,983,079.42/1,113,987.24
  6. Step 6: Final answer
    x = 592,283.25

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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.