Home / 1,119,775.96-1,679,748.18-321,051.16

Finding the Fourth Proportional to 1,119,775.96, 1,679,748.18 and 321,051.16

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Solution

The fourth proportional to 1,119,775.96, 1,679,748.18 and 321,051.16 is: 481,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,775.96 : 1,679,748.18 = 321,051.16 : x
  2. Step 2: Convert to fraction form
    1,119,775.96/1,679,748.18 = 321,051.16/x
  3. Step 3: Cross multiply
    1,119,775.96x = 1,679,748.18 × 321,051.16
  4. Step 4: Simplify right side
    1,119,775.96x = 539,285,101,696.89
  5. Step 5: Solve for x
    x = 539,285,101,696.89/1,119,775.96
  6. Step 6: Final answer
    x = 481,600.89

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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.