Home / 1,210,915.62-1,816,305.75-369,401.22

Finding the Fourth Proportional to 1,210,915.62, 1,816,305.75 and 369,401.22

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Solution

The fourth proportional to 1,210,915.62, 1,816,305.75 and 369,401.22 is: 554,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,915.62 : 1,816,305.75 = 369,401.22 : x
  2. Step 2: Convert to fraction form
    1,210,915.62/1,816,305.75 = 369,401.22/x
  3. Step 3: Cross multiply
    1,210,915.62x = 1,816,305.75 × 369,401.22
  4. Step 4: Simplify right side
    1,210,915.62x = 670,945,559,943.02
  5. Step 5: Solve for x
    x = 670,945,559,943.02/1,210,915.62
  6. Step 6: Final answer
    x = 554,081.18

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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.