Home / 1,055,583.04-1,582,149.75-485,767.88

Finding the Fourth Proportional to 1,055,583.04, 1,582,149.75 and 485,767.88

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Solution

The fourth proportional to 1,055,583.04, 1,582,149.75 and 485,767.88 is: 728,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,583.04 : 1,582,149.75 = 485,767.88 : x
  2. Step 2: Convert to fraction form
    1,055,583.04/1,582,149.75 = 485,767.88/x
  3. Step 3: Cross multiply
    1,055,583.04x = 1,582,149.75 × 485,767.88
  4. Step 4: Simplify right side
    1,055,583.04x = 768,557,535,000.31
  5. Step 5: Solve for x
    x = 768,557,535,000.31/1,055,583.04
  6. Step 6: Final answer
    x = 728,088.18

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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.