Home / 1,209,794.92-1,813,472.52-760,836.64

Finding the Fourth Proportional to 1,209,794.92, 1,813,472.52 and 760,836.64

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Solution

The fourth proportional to 1,209,794.92, 1,813,472.52 and 760,836.64 is: 1,140,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,794.92 : 1,813,472.52 = 760,836.64 : x
  2. Step 2: Convert to fraction form
    1,209,794.92/1,813,472.52 = 760,836.64/x
  3. Step 3: Cross multiply
    1,209,794.92x = 1,813,472.52 × 760,836.64
  4. Step 4: Simplify right side
    1,209,794.92x = 1,379,756,338,849.13
  5. Step 5: Solve for x
    x = 1,379,756,338,849.13/1,209,794.92
  6. Step 6: Final answer
    x = 1,140,487.79

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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.