Home / 1,436,070.29-2,154,105.43-438,789.65

Finding the Fourth Proportional to 1,436,070.29, 2,154,105.43 and 438,789.65

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Solution

The fourth proportional to 1,436,070.29, 2,154,105.43 and 438,789.65 is: 658,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,070.29 : 2,154,105.43 = 438,789.65 : x
  2. Step 2: Convert to fraction form
    1,436,070.29/2,154,105.43 = 438,789.65/x
  3. Step 3: Cross multiply
    1,436,070.29x = 2,154,105.43 × 438,789.65
  4. Step 4: Simplify right side
    1,436,070.29x = 945,199,155,825.30
  5. Step 5: Solve for x
    x = 945,199,155,825.30/1,436,070.29
  6. Step 6: Final answer
    x = 658,184.47

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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.