Home / 1,333,929.82-1,999,668.68-480,792.70

Finding the Fourth Proportional to 1,333,929.82, 1,999,668.68 and 480,792.70

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Solution

The fourth proportional to 1,333,929.82, 1,999,668.68 and 480,792.70 is: 720,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,929.82 : 1,999,668.68 = 480,792.70 : x
  2. Step 2: Convert to fraction form
    1,333,929.82/1,999,668.68 = 480,792.70/x
  3. Step 3: Cross multiply
    1,333,929.82x = 1,999,668.68 × 480,792.70
  4. Step 4: Simplify right side
    1,333,929.82x = 961,426,103,762.64
  5. Step 5: Solve for x
    x = 961,426,103,762.64/1,333,929.82
  6. Step 6: Final answer
    x = 720,747.14

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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.