Home / 1,078,722.80-1,616,946.72-358,872.22

Finding the Fourth Proportional to 1,078,722.80, 1,616,946.72 and 358,872.22

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Solution

The fourth proportional to 1,078,722.80, 1,616,946.72 and 358,872.22 is: 537,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,722.80 : 1,616,946.72 = 358,872.22 : x
  2. Step 2: Convert to fraction form
    1,078,722.80/1,616,946.72 = 358,872.22/x
  3. Step 3: Cross multiply
    1,078,722.80x = 1,616,946.72 × 358,872.22
  4. Step 4: Simplify right side
    1,078,722.80x = 580,277,259,028.12
  5. Step 5: Solve for x
    x = 580,277,259,028.12/1,078,722.80
  6. Step 6: Final answer
    x = 537,929.91

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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.