Home / 1,087,896.72-1,500,867.52-628,926.84

Finding the Fourth Proportional to 1,087,896.72, 1,500,867.52 and 628,926.84

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Solution

The fourth proportional to 1,087,896.72, 1,500,867.52 and 628,926.84 is: 867,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,896.72 : 1,500,867.52 = 628,926.84 : x
  2. Step 2: Convert to fraction form
    1,087,896.72/1,500,867.52 = 628,926.84/x
  3. Step 3: Cross multiply
    1,087,896.72x = 1,500,867.52 × 628,926.84
  4. Step 4: Simplify right side
    1,087,896.72x = 943,935,866,612.24
  5. Step 5: Solve for x
    x = 943,935,866,612.24/1,087,896.72
  6. Step 6: Final answer
    x = 867,670.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.