Home / 1,109,104.76-1,530,635.42-625,493.45

Finding the Fourth Proportional to 1,109,104.76, 1,530,635.42 and 625,493.45

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Solution

The fourth proportional to 1,109,104.76, 1,530,635.42 and 625,493.45 is: 863,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,104.76 : 1,530,635.42 = 625,493.45 : x
  2. Step 2: Convert to fraction form
    1,109,104.76/1,530,635.42 = 625,493.45/x
  3. Step 3: Cross multiply
    1,109,104.76x = 1,530,635.42 × 625,493.45
  4. Step 4: Simplify right side
    1,109,104.76x = 957,402,428,504.21
  5. Step 5: Solve for x
    x = 957,402,428,504.21/1,109,104.76
  6. Step 6: Final answer
    x = 863,220.92

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Double scale
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1.5x scale

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.