Home / 1,739,519.20-2,607,205.20-728,639.20

Finding the Fourth Proportional to 1,739,519.20, 2,607,205.20 and 728,639.20

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Solution

The fourth proportional to 1,739,519.20, 2,607,205.20 and 728,639.20 is: 1,092,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,519.20 : 2,607,205.20 = 728,639.20 : x
  2. Step 2: Convert to fraction form
    1,739,519.20/2,607,205.20 = 728,639.20/x
  3. Step 3: Cross multiply
    1,739,519.20x = 2,607,205.20 × 728,639.20
  4. Step 4: Simplify right side
    1,739,519.20x = 1,899,711,911,163.84
  5. Step 5: Solve for x
    x = 1,899,711,911,163.84/1,739,519.20
  6. Step 6: Final answer
    x = 1,092,090.22

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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.