Home / 1,087,896.70-1,500,867.54-628,926.82

Finding the Fourth Proportional to 1,087,896.70, 1,500,867.54 and 628,926.82

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Solution

The fourth proportional to 1,087,896.70, 1,500,867.54 and 628,926.82 is: 867,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,896.70 : 1,500,867.54 = 628,926.82 : x
  2. Step 2: Convert to fraction form
    1,087,896.70/1,500,867.54 = 628,926.82/x
  3. Step 3: Cross multiply
    1,087,896.70x = 1,500,867.54 × 628,926.82
  4. Step 4: Simplify right side
    1,087,896.70x = 943,935,849,173.42
  5. Step 5: Solve for x
    x = 943,935,849,173.42/1,087,896.70
  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.