Home / 1,109,856.60-1,665,222.30-435,823.20

Finding the Fourth Proportional to 1,109,856.60, 1,665,222.30 and 435,823.20

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Solution

The fourth proportional to 1,109,856.60, 1,665,222.30 and 435,823.20 is: 653,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,856.60 : 1,665,222.30 = 435,823.20 : x
  2. Step 2: Convert to fraction form
    1,109,856.60/1,665,222.30 = 435,823.20/x
  3. Step 3: Cross multiply
    1,109,856.60x = 1,665,222.30 × 435,823.20
  4. Step 4: Simplify right side
    1,109,856.60x = 725,742,511,497.36
  5. Step 5: Solve for x
    x = 725,742,511,497.36/1,109,856.60
  6. Step 6: Final answer
    x = 653,906.56

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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.