Home / 1,129,698.03-1,694,547.05-330,979.71

Finding the Fourth Proportional to 1,129,698.03, 1,694,547.05 and 330,979.71

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Solution

The fourth proportional to 1,129,698.03, 1,694,547.05 and 330,979.71 is: 496,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,698.03 : 1,694,547.05 = 330,979.71 : x
  2. Step 2: Convert to fraction form
    1,129,698.03/1,694,547.05 = 330,979.71/x
  3. Step 3: Cross multiply
    1,129,698.03x = 1,694,547.05 × 330,979.71
  4. Step 4: Simplify right side
    1,129,698.03x = 560,860,689,535.46
  5. Step 5: Solve for x
    x = 560,860,689,535.46/1,129,698.03
  6. Step 6: Final answer
    x = 496,469.57

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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.