Home / 1,109,250.48-1,530,634.01-625,787.40

Finding the Fourth Proportional to 1,109,250.48, 1,530,634.01 and 625,787.40

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Solution

The fourth proportional to 1,109,250.48, 1,530,634.01 and 625,787.40 is: 863,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,250.48 : 1,530,634.01 = 625,787.40 : x
  2. Step 2: Convert to fraction form
    1,109,250.48/1,530,634.01 = 625,787.40/x
  3. Step 3: Cross multiply
    1,109,250.48x = 1,530,634.01 × 625,787.40
  4. Step 4: Simplify right side
    1,109,250.48x = 957,851,474,340.54
  5. Step 5: Solve for x
    x = 957,851,474,340.54/1,109,250.48
  6. Step 6: Final answer
    x = 863,512.34

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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.