Home / 1,293,172.80-1,938,837.60-494,145.60

Finding the Fourth Proportional to 1,293,172.80, 1,938,837.60 and 494,145.60

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Solution

The fourth proportional to 1,293,172.80, 1,938,837.60 and 494,145.60 is: 740,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,172.80 : 1,938,837.60 = 494,145.60 : x
  2. Step 2: Convert to fraction form
    1,293,172.80/1,938,837.60 = 494,145.60/x
  3. Step 3: Cross multiply
    1,293,172.80x = 1,938,837.60 × 494,145.60
  4. Step 4: Simplify right side
    1,293,172.80x = 958,068,069,154.56
  5. Step 5: Solve for x
    x = 958,068,069,154.56/1,293,172.80
  6. Step 6: Final answer
    x = 740,866.24

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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.