Home / 1,925,796.78-2,888,728.02-728,283.06

Finding the Fourth Proportional to 1,925,796.78, 2,888,728.02 and 728,283.06

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Solution

The fourth proportional to 1,925,796.78, 2,888,728.02 and 728,283.06 is: 1,092,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,796.78 : 2,888,728.02 = 728,283.06 : x
  2. Step 2: Convert to fraction form
    1,925,796.78/2,888,728.02 = 728,283.06/x
  3. Step 3: Cross multiply
    1,925,796.78x = 2,888,728.02 × 728,283.06
  4. Step 4: Simplify right side
    1,925,796.78x = 2,103,811,681,913.34
  5. Step 5: Solve for x
    x = 2,103,811,681,913.34/1,925,796.78
  6. Step 6: Final answer
    x = 1,092,437.01

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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.