Home / 1,160,389.84-1,740,668.58-485,792.68

Finding the Fourth Proportional to 1,160,389.84, 1,740,668.58 and 485,792.68

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Solution

The fourth proportional to 1,160,389.84, 1,740,668.58 and 485,792.68 is: 728,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,389.84 : 1,740,668.58 = 485,792.68 : x
  2. Step 2: Convert to fraction form
    1,160,389.84/1,740,668.58 = 485,792.68/x
  3. Step 3: Cross multiply
    1,160,389.84x = 1,740,668.58 × 485,792.68
  4. Step 4: Simplify right side
    1,160,389.84x = 845,604,054,469.99
  5. Step 5: Solve for x
    x = 845,604,054,469.99/1,160,389.84
  6. Step 6: Final answer
    x = 728,724.11

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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.