Home / 1,109,123.60-1,530,661.46-625,512.29

Finding the Fourth Proportional to 1,109,123.60, 1,530,661.46 and 625,512.29

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Solution

The fourth proportional to 1,109,123.60, 1,530,661.46 and 625,512.29 is: 863,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,123.60 : 1,530,661.46 = 625,512.29 : x
  2. Step 2: Convert to fraction form
    1,109,123.60/1,530,661.46 = 625,512.29/x
  3. Step 3: Cross multiply
    1,109,123.60x = 1,530,661.46 × 625,512.29
  4. Step 4: Simplify right side
    1,109,123.60x = 957,447,544,278.48
  5. Step 5: Solve for x
    x = 957,447,544,278.48/1,109,123.60
  6. Step 6: Final answer
    x = 863,246.94

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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.