Home / 1,992,829.80-2,989,244.70-730,493.40

Finding the Fourth Proportional to 1,992,829.80, 2,989,244.70 and 730,493.40

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Solution

The fourth proportional to 1,992,829.80, 2,989,244.70 and 730,493.40 is: 1,095,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,829.80 : 2,989,244.70 = 730,493.40 : x
  2. Step 2: Convert to fraction form
    1,992,829.80/2,989,244.70 = 730,493.40/x
  3. Step 3: Cross multiply
    1,992,829.80x = 2,989,244.70 × 730,493.40
  4. Step 4: Simplify right side
    1,992,829.80x = 2,183,623,524,334.98
  5. Step 5: Solve for x
    x = 2,183,623,524,334.98/1,992,829.80
  6. Step 6: Final answer
    x = 1,095,740.10

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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.