Home / 669,407.17-1,004,128.76-189,585.43

Finding the Fourth Proportional to 669,407.17, 1,004,128.76 and 189,585.43

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Solution

The fourth proportional to 669,407.17, 1,004,128.76 and 189,585.43 is: 284,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,407.17 : 1,004,128.76 = 189,585.43 : x
  2. Step 2: Convert to fraction form
    669,407.17/1,004,128.76 = 189,585.43/x
  3. Step 3: Cross multiply
    669,407.17x = 1,004,128.76 × 189,585.43
  4. Step 4: Simplify right side
    669,407.17x = 190,368,182,688.39
  5. Step 5: Solve for x
    x = 190,368,182,688.39/669,407.17
  6. Step 6: Final answer
    x = 284,383.24

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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.