Home / 1,630,055.70-2,444,974.20-431,952.30

Finding the Fourth Proportional to 1,630,055.70, 2,444,974.20 and 431,952.30

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Solution

The fourth proportional to 1,630,055.70, 2,444,974.20 and 431,952.30 is: 647,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,055.70 : 2,444,974.20 = 431,952.30 : x
  2. Step 2: Convert to fraction form
    1,630,055.70/2,444,974.20 = 431,952.30/x
  3. Step 3: Cross multiply
    1,630,055.70x = 2,444,974.20 × 431,952.30
  4. Step 4: Simplify right side
    1,630,055.70x = 1,056,112,229,130.66
  5. Step 5: Solve for x
    x = 1,056,112,229,130.66/1,630,055.70
  6. Step 6: Final answer
    x = 647,899.47

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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.