Home / 1,210,976.10-1,816,449.57-369,530.28

Finding the Fourth Proportional to 1,210,976.10, 1,816,449.57 and 369,530.28

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Solution

The fourth proportional to 1,210,976.10, 1,816,449.57 and 369,530.28 is: 554,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,976.10 : 1,816,449.57 = 369,530.28 : x
  2. Step 2: Convert to fraction form
    1,210,976.10/1,816,449.57 = 369,530.28/x
  3. Step 3: Cross multiply
    1,210,976.10x = 1,816,449.57 × 369,530.28
  4. Step 4: Simplify right side
    1,210,976.10x = 671,233,118,207.98
  5. Step 5: Solve for x
    x = 671,233,118,207.98/1,210,976.10
  6. Step 6: Final answer
    x = 554,290.97

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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.