Home / 1,201,145.92-1,657,559.52-664,601.92

Finding the Fourth Proportional to 1,201,145.92, 1,657,559.52 and 664,601.92

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Solution

The fourth proportional to 1,201,145.92, 1,657,559.52 and 664,601.92 is: 917,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,145.92 : 1,657,559.52 = 664,601.92 : x
  2. Step 2: Convert to fraction form
    1,201,145.92/1,657,559.52 = 664,601.92/x
  3. Step 3: Cross multiply
    1,201,145.92x = 1,657,559.52 × 664,601.92
  4. Step 4: Simplify right side
    1,201,145.92x = 1,101,617,239,506.28
  5. Step 5: Solve for x
    x = 1,101,617,239,506.28/1,201,145.92
  6. Step 6: Final answer
    x = 917,138.56

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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.