Home / 1,267,936.60-1,749,931.68-784,657.24

Finding the Fourth Proportional to 1,267,936.60, 1,749,931.68 and 784,657.24

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Solution

The fourth proportional to 1,267,936.60, 1,749,931.68 and 784,657.24 is: 1,082,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,936.60 : 1,749,931.68 = 784,657.24 : x
  2. Step 2: Convert to fraction form
    1,267,936.60/1,749,931.68 = 784,657.24/x
  3. Step 3: Cross multiply
    1,267,936.60x = 1,749,931.68 × 784,657.24
  4. Step 4: Simplify right side
    1,267,936.60x = 1,373,096,562,217.36
  5. Step 5: Solve for x
    x = 1,373,096,562,217.36/1,267,936.60
  6. Step 6: Final answer
    x = 1,082,937.87

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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.