Home / 1,100,507.49-1,518,055.29-691,961.85

Finding the Fourth Proportional to 1,100,507.49, 1,518,055.29 and 691,961.85

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Solution

The fourth proportional to 1,100,507.49, 1,518,055.29 and 691,961.85 is: 954,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,507.49 : 1,518,055.29 = 691,961.85 : x
  2. Step 2: Convert to fraction form
    1,100,507.49/1,518,055.29 = 691,961.85/x
  3. Step 3: Cross multiply
    1,100,507.49x = 1,518,055.29 × 691,961.85
  4. Step 4: Simplify right side
    1,100,507.49x = 1,050,436,346,870.69
  5. Step 5: Solve for x
    x = 1,050,436,346,870.69/1,100,507.49
  6. Step 6: Final answer
    x = 954,501.77

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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.