Home / 1,106,137.39-1,658,837.03-432,043.85

Finding the Fourth Proportional to 1,106,137.39, 1,658,837.03 and 432,043.85

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Solution

The fourth proportional to 1,106,137.39, 1,658,837.03 and 432,043.85 is: 647,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,137.39 : 1,658,837.03 = 432,043.85 : x
  2. Step 2: Convert to fraction form
    1,106,137.39/1,658,837.03 = 432,043.85/x
  3. Step 3: Cross multiply
    1,106,137.39x = 1,658,837.03 × 432,043.85
  4. Step 4: Simplify right side
    1,106,137.39x = 716,690,336,963.77
  5. Step 5: Solve for x
    x = 716,690,336,963.77/1,106,137.39
  6. Step 6: Final answer
    x = 647,921.63

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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.