Home / 1,087,877.64-1,632,111.78-329,688.48

Finding the Fourth Proportional to 1,087,877.64, 1,632,111.78 and 329,688.48

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Solution

The fourth proportional to 1,087,877.64, 1,632,111.78 and 329,688.48 is: 494,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,877.64 : 1,632,111.78 = 329,688.48 : x
  2. Step 2: Convert to fraction form
    1,087,877.64/1,632,111.78 = 329,688.48/x
  3. Step 3: Cross multiply
    1,087,877.64x = 1,632,111.78 × 329,688.48
  4. Step 4: Simplify right side
    1,087,877.64x = 538,088,451,938.29
  5. Step 5: Solve for x
    x = 538,088,451,938.29/1,087,877.64
  6. Step 6: Final answer
    x = 494,622.22

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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.