Home / 1,100,505.99-1,518,053.22-691,960.35

Finding the Fourth Proportional to 1,100,505.99, 1,518,053.22 and 691,960.35

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Solution

The fourth proportional to 1,100,505.99, 1,518,053.22 and 691,960.35 is: 954,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,505.99 : 1,518,053.22 = 691,960.35 : x
  2. Step 2: Convert to fraction form
    1,100,505.99/1,518,053.22 = 691,960.35/x
  3. Step 3: Cross multiply
    1,100,505.99x = 1,518,053.22 × 691,960.35
  4. Step 4: Simplify right side
    1,100,505.99x = 1,050,432,637,429.83
  5. Step 5: Solve for x
    x = 1,050,432,637,429.83/1,100,505.99
  6. Step 6: Final answer
    x = 954,499.70

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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.