Home / 1,116,717.92-1,674,440.40-762,161.12

Finding the Fourth Proportional to 1,116,717.92, 1,674,440.40 and 762,161.12

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Solution

The fourth proportional to 1,116,717.92, 1,674,440.40 and 762,161.12 is: 1,142,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,717.92 : 1,674,440.40 = 762,161.12 : x
  2. Step 2: Convert to fraction form
    1,116,717.92/1,674,440.40 = 762,161.12/x
  3. Step 3: Cross multiply
    1,116,717.92x = 1,674,440.40 × 762,161.12
  4. Step 4: Simplify right side
    1,116,717.92x = 1,276,193,370,637.25
  5. Step 5: Solve for x
    x = 1,276,193,370,637.25/1,116,717.92
  6. Step 6: Final answer
    x = 1,142,807.28

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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.