Home / 1,245,649.40-1,868,474.10-965,713.40

Finding the Fourth Proportional to 1,245,649.40, 1,868,474.10 and 965,713.40

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Solution

The fourth proportional to 1,245,649.40, 1,868,474.10 and 965,713.40 is: 1,448,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,649.40 : 1,868,474.10 = 965,713.40 : x
  2. Step 2: Convert to fraction form
    1,245,649.40/1,868,474.10 = 965,713.40/x
  3. Step 3: Cross multiply
    1,245,649.40x = 1,868,474.10 × 965,713.40
  4. Step 4: Simplify right side
    1,245,649.40x = 1,804,410,475,922.94
  5. Step 5: Solve for x
    x = 1,804,410,475,922.94/1,245,649.40
  6. Step 6: Final answer
    x = 1,448,570.10

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.