Home / 1,242,247.68-1,863,855.36-494,369.28

Finding the Fourth Proportional to 1,242,247.68, 1,863,855.36 and 494,369.28

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Solution

The fourth proportional to 1,242,247.68, 1,863,855.36 and 494,369.28 is: 741,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,247.68 : 1,863,855.36 = 494,369.28 : x
  2. Step 2: Convert to fraction form
    1,242,247.68/1,863,855.36 = 494,369.28/x
  3. Step 3: Cross multiply
    1,242,247.68x = 1,863,855.36 × 494,369.28
  4. Step 4: Simplify right side
    1,242,247.68x = 921,432,832,347.34
  5. Step 5: Solve for x
    x = 921,432,832,347.34/1,242,247.68
  6. Step 6: Final answer
    x = 741,746.47

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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.