Home / 1,103,911.27-1,655,867.03-345,811.81

Finding the Fourth Proportional to 1,103,911.27, 1,655,867.03 and 345,811.81

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Solution

The fourth proportional to 1,103,911.27, 1,655,867.03 and 345,811.81 is: 518,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,911.27 : 1,655,867.03 = 345,811.81 : x
  2. Step 2: Convert to fraction form
    1,103,911.27/1,655,867.03 = 345,811.81/x
  3. Step 3: Cross multiply
    1,103,911.27x = 1,655,867.03 × 345,811.81
  4. Step 4: Simplify right side
    1,103,911.27x = 572,618,377,697.99
  5. Step 5: Solve for x
    x = 572,618,377,697.99/1,103,911.27
  6. Step 6: Final answer
    x = 518,717.76

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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.