Home / 1,178,996.76-1,768,602.06-326,121.84

Finding the Fourth Proportional to 1,178,996.76, 1,768,602.06 and 326,121.84

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Solution

The fourth proportional to 1,178,996.76, 1,768,602.06 and 326,121.84 is: 489,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,996.76 : 1,768,602.06 = 326,121.84 : x
  2. Step 2: Convert to fraction form
    1,178,996.76/1,768,602.06 = 326,121.84/x
  3. Step 3: Cross multiply
    1,178,996.76x = 1,768,602.06 × 326,121.84
  4. Step 4: Simplify right side
    1,178,996.76x = 576,779,758,034.99
  5. Step 5: Solve for x
    x = 576,779,758,034.99/1,178,996.76
  6. Step 6: Final answer
    x = 489,212.34

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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.