Home / 1,210,860.96-1,816,286.40-369,409.92

Finding the Fourth Proportional to 1,210,860.96, 1,816,286.40 and 369,409.92

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Solution

The fourth proportional to 1,210,860.96, 1,816,286.40 and 369,409.92 is: 554,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,860.96 : 1,816,286.40 = 369,409.92 : x
  2. Step 2: Convert to fraction form
    1,210,860.96/1,816,286.40 = 369,409.92/x
  3. Step 3: Cross multiply
    1,210,860.96x = 1,816,286.40 × 369,409.92
  4. Step 4: Simplify right side
    1,210,860.96x = 670,954,213,721.09
  5. Step 5: Solve for x
    x = 670,954,213,721.09/1,210,860.96
  6. Step 6: Final answer
    x = 554,113.34

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1.5x scale

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.