Home / 1,391,048.33-2,085,160.83-790,769.10

Finding the Fourth Proportional to 1,391,048.33, 2,085,160.83 and 790,769.10

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Solution

The fourth proportional to 1,391,048.33, 2,085,160.83 and 790,769.10 is: 1,185,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,048.33 : 2,085,160.83 = 790,769.10 : x
  2. Step 2: Convert to fraction form
    1,391,048.33/2,085,160.83 = 790,769.10/x
  3. Step 3: Cross multiply
    1,391,048.33x = 2,085,160.83 × 790,769.10
  4. Step 4: Simplify right side
    1,391,048.33x = 1,648,880,752,894.35
  5. Step 5: Solve for x
    x = 1,648,880,752,894.35/1,391,048.33
  6. Step 6: Final answer
    x = 1,185,351.17

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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.