Home / 1,436,076.29-2,154,114.45-438,795.65

Finding the Fourth Proportional to 1,436,076.29, 2,154,114.45 and 438,795.65

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Solution

The fourth proportional to 1,436,076.29, 2,154,114.45 and 438,795.65 is: 658,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,076.29 : 2,154,114.45 = 438,795.65 : x
  2. Step 2: Convert to fraction form
    1,436,076.29/2,154,114.45 = 438,795.65/x
  3. Step 3: Cross multiply
    1,436,076.29x = 2,154,114.45 × 438,795.65
  4. Step 4: Simplify right side
    1,436,076.29x = 945,216,039,491.57
  5. Step 5: Solve for x
    x = 945,216,039,491.57/1,436,076.29
  6. Step 6: Final answer
    x = 658,193.47

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Double scale
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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.