Home / 1,489,225.27-2,233,468.85-424,276.55

Finding the Fourth Proportional to 1,489,225.27, 2,233,468.85 and 424,276.55

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Solution

The fourth proportional to 1,489,225.27, 2,233,468.85 and 424,276.55 is: 636,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,225.27 : 2,233,468.85 = 424,276.55 : x
  2. Step 2: Convert to fraction form
    1,489,225.27/2,233,468.85 = 424,276.55/x
  3. Step 3: Cross multiply
    1,489,225.27x = 2,233,468.85 × 424,276.55
  4. Step 4: Simplify right side
    1,489,225.27x = 947,608,456,089.09
  5. Step 5: Solve for x
    x = 947,608,456,089.09/1,489,225.27
  6. Step 6: Final answer
    x = 636,309.68

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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.