Home / 1,073,172.37-1,480,654.92-643,295.65

Finding the Fourth Proportional to 1,073,172.37, 1,480,654.92 and 643,295.65

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Solution

The fourth proportional to 1,073,172.37, 1,480,654.92 and 643,295.65 is: 887,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,172.37 : 1,480,654.92 = 643,295.65 : x
  2. Step 2: Convert to fraction form
    1,073,172.37/1,480,654.92 = 643,295.65/x
  3. Step 3: Cross multiply
    1,073,172.37x = 1,480,654.92 × 643,295.65
  4. Step 4: Simplify right side
    1,073,172.37x = 952,498,869,187.10
  5. Step 5: Solve for x
    x = 952,498,869,187.10/1,073,172.37
  6. Step 6: Final answer
    x = 887,554.41

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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.