Home / 1,223,436.26-1,835,172.84-424,743.20

Finding the Fourth Proportional to 1,223,436.26, 1,835,172.84 and 424,743.20

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Solution

The fourth proportional to 1,223,436.26, 1,835,172.84 and 424,743.20 is: 637,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,436.26 : 1,835,172.84 = 424,743.20 : x
  2. Step 2: Convert to fraction form
    1,223,436.26/1,835,172.84 = 424,743.20/x
  3. Step 3: Cross multiply
    1,223,436.26x = 1,835,172.84 × 424,743.20
  4. Step 4: Simplify right side
    1,223,436.26x = 779,477,184,614.69
  5. Step 5: Solve for x
    x = 779,477,184,614.69/1,223,436.26
  6. Step 6: Final answer
    x = 637,121.21

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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.