Home / 1,424,636.10-2,136,618.81-413,491.23

Finding the Fourth Proportional to 1,424,636.10, 2,136,618.81 and 413,491.23

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Solution

The fourth proportional to 1,424,636.10, 2,136,618.81 and 413,491.23 is: 620,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,636.10 : 2,136,618.81 = 413,491.23 : x
  2. Step 2: Convert to fraction form
    1,424,636.10/2,136,618.81 = 413,491.23/x
  3. Step 3: Cross multiply
    1,424,636.10x = 2,136,618.81 × 413,491.23
  4. Step 4: Simplify right side
    1,424,636.10x = 883,473,139,788.04
  5. Step 5: Solve for x
    x = 883,473,139,788.04/1,424,636.10
  6. Step 6: Final answer
    x = 620,139.51

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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.