Home / 1,320,004.60-1,978,694.70-608,792.20

Finding the Fourth Proportional to 1,320,004.60, 1,978,694.70 and 608,792.20

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Solution

The fourth proportional to 1,320,004.60, 1,978,694.70 and 608,792.20 is: 912,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,004.60 : 1,978,694.70 = 608,792.20 : x
  2. Step 2: Convert to fraction form
    1,320,004.60/1,978,694.70 = 608,792.20/x
  3. Step 3: Cross multiply
    1,320,004.60x = 1,978,694.70 × 608,792.20
  4. Step 4: Simplify right side
    1,320,004.60x = 1,204,613,899,541.34
  5. Step 5: Solve for x
    x = 1,204,613,899,541.34/1,320,004.60
  6. Step 6: Final answer
    x = 912,583.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.