Home / 1,630,072.20-2,444,998.95-431,968.80

Finding the Fourth Proportional to 1,630,072.20, 2,444,998.95 and 431,968.80

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Solution

The fourth proportional to 1,630,072.20, 2,444,998.95 and 431,968.80 is: 647,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,072.20 : 2,444,998.95 = 431,968.80 : x
  2. Step 2: Convert to fraction form
    1,630,072.20/2,444,998.95 = 431,968.80/x
  3. Step 3: Cross multiply
    1,630,072.20x = 2,444,998.95 × 431,968.80
  4. Step 4: Simplify right side
    1,630,072.20x = 1,056,163,262,432.76
  5. Step 5: Solve for x
    x = 1,056,163,262,432.76/1,630,072.20
  6. Step 6: Final answer
    x = 647,924.22

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1.5x scale

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.