Home / 1,926,598.35-2,889,022.73-728,122.35

Finding the Fourth Proportional to 1,926,598.35, 2,889,022.73 and 728,122.35

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Solution

The fourth proportional to 1,926,598.35, 2,889,022.73 and 728,122.35 is: 1,091,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,598.35 : 2,889,022.73 = 728,122.35 : x
  2. Step 2: Convert to fraction form
    1,926,598.35/2,889,022.73 = 728,122.35/x
  3. Step 3: Cross multiply
    1,926,598.35x = 2,889,022.73 × 728,122.35
  4. Step 4: Simplify right side
    1,926,598.35x = 2,103,562,015,730.40
  5. Step 5: Solve for x
    x = 2,103,562,015,730.40/1,926,598.35
  6. Step 6: Final answer
    x = 1,091,852.91

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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.