Home / 1,611,959.34-2,417,851.56-489,940.86

Finding the Fourth Proportional to 1,611,959.34, 2,417,851.56 and 489,940.86

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Solution

The fourth proportional to 1,611,959.34, 2,417,851.56 and 489,940.86 is: 734,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,959.34 : 2,417,851.56 = 489,940.86 : x
  2. Step 2: Convert to fraction form
    1,611,959.34/2,417,851.56 = 489,940.86/x
  3. Step 3: Cross multiply
    1,611,959.34x = 2,417,851.56 × 489,940.86
  4. Step 4: Simplify right side
    1,611,959.34x = 1,184,604,272,658.74
  5. Step 5: Solve for x
    x = 1,184,604,272,658.74/1,611,959.34
  6. Step 6: Final answer
    x = 734,884.71

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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.