Home / 1,055,855.09-1,583,782.61-487,067.91

Finding the Fourth Proportional to 1,055,855.09, 1,583,782.61 and 487,067.91

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Solution

The fourth proportional to 1,055,855.09, 1,583,782.61 and 487,067.91 is: 730,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,855.09 : 1,583,782.61 = 487,067.91 : x
  2. Step 2: Convert to fraction form
    1,055,855.09/1,583,782.61 = 487,067.91/x
  3. Step 3: Cross multiply
    1,055,855.09x = 1,583,782.61 × 487,067.91
  4. Step 4: Simplify right side
    1,055,855.09x = 771,409,679,199.03
  5. Step 5: Solve for x
    x = 771,409,679,199.03/1,055,855.09
  6. Step 6: Final answer
    x = 730,601.85

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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.