Home / 943,682.20-1,416,905.70-664,437.40

Finding the Fourth Proportional to 943,682.20, 1,416,905.70 and 664,437.40

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Solution

The fourth proportional to 943,682.20, 1,416,905.70 and 664,437.40 is: 997,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,682.20 : 1,416,905.70 = 664,437.40 : x
  2. Step 2: Convert to fraction form
    943,682.20/1,416,905.70 = 664,437.40/x
  3. Step 3: Cross multiply
    943,682.20x = 1,416,905.70 × 664,437.40
  4. Step 4: Simplify right side
    943,682.20x = 941,445,139,353.18
  5. Step 5: Solve for x
    x = 941,445,139,353.18/943,682.20
  6. Step 6: Final answer
    x = 997,629.43

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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.