Home / 1,009,167.12-1,392,800.40-664,949.52

Finding the Fourth Proportional to 1,009,167.12, 1,392,800.40 and 664,949.52

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Solution

The fourth proportional to 1,009,167.12, 1,392,800.40 and 664,949.52 is: 917,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,167.12 : 1,392,800.40 = 664,949.52 : x
  2. Step 2: Convert to fraction form
    1,009,167.12/1,392,800.40 = 664,949.52/x
  3. Step 3: Cross multiply
    1,009,167.12x = 1,392,800.40 × 664,949.52
  4. Step 4: Simplify right side
    1,009,167.12x = 926,141,957,435.81
  5. Step 5: Solve for x
    x = 926,141,957,435.81/1,009,167.12
  6. Step 6: Final answer
    x = 917,729.03

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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.