Home / 1,179,911.02-1,769,861.48-326,980.22

Finding the Fourth Proportional to 1,179,911.02, 1,769,861.48 and 326,980.22

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Solution

The fourth proportional to 1,179,911.02, 1,769,861.48 and 326,980.22 is: 490,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,911.02 : 1,769,861.48 = 326,980.22 : x
  2. Step 2: Convert to fraction form
    1,179,911.02/1,769,861.48 = 326,980.22/x
  3. Step 3: Cross multiply
    1,179,911.02x = 1,769,861.48 × 326,980.22
  4. Step 4: Simplify right side
    1,179,911.02x = 578,709,696,099.93
  5. Step 5: Solve for x
    x = 578,709,696,099.93/1,179,911.02
  6. Step 6: Final answer
    x = 490,468.93

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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.