Home / 1,150,418.40-1,725,611.40-519,331.20

Finding the Fourth Proportional to 1,150,418.40, 1,725,611.40 and 519,331.20

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Solution

The fourth proportional to 1,150,418.40, 1,725,611.40 and 519,331.20 is: 778,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,418.40 : 1,725,611.40 = 519,331.20 : x
  2. Step 2: Convert to fraction form
    1,150,418.40/1,725,611.40 = 519,331.20/x
  3. Step 3: Cross multiply
    1,150,418.40x = 1,725,611.40 × 519,331.20
  4. Step 4: Simplify right side
    1,150,418.40x = 896,163,839,095.68
  5. Step 5: Solve for x
    x = 896,163,839,095.68/1,150,418.40
  6. Step 6: Final answer
    x = 778,989.49

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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.