Home / 1,689,133.78-2,331,042.51-963,967.06

Finding the Fourth Proportional to 1,689,133.78, 2,331,042.51 and 963,967.06

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Solution

The fourth proportional to 1,689,133.78, 2,331,042.51 and 963,967.06 is: 1,330,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,133.78 : 2,331,042.51 = 963,967.06 : x
  2. Step 2: Convert to fraction form
    1,689,133.78/2,331,042.51 = 963,967.06/x
  3. Step 3: Cross multiply
    1,689,133.78x = 2,331,042.51 × 963,967.06
  4. Step 4: Simplify right side
    1,689,133.78x = 2,247,048,195,099.72
  5. Step 5: Solve for x
    x = 2,247,048,195,099.72/1,689,133.78
  6. Step 6: Final answer
    x = 1,330,296.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.