Home / 1,108,603.40-1,662,905.10-360,649.40

Finding the Fourth Proportional to 1,108,603.40, 1,662,905.10 and 360,649.40

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Solution

The fourth proportional to 1,108,603.40, 1,662,905.10 and 360,649.40 is: 540,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,603.40 : 1,662,905.10 = 360,649.40 : x
  2. Step 2: Convert to fraction form
    1,108,603.40/1,662,905.10 = 360,649.40/x
  3. Step 3: Cross multiply
    1,108,603.40x = 1,662,905.10 × 360,649.40
  4. Step 4: Simplify right side
    1,108,603.40x = 599,725,726,571.94
  5. Step 5: Solve for x
    x = 599,725,726,571.94/1,108,603.40
  6. Step 6: Final answer
    x = 540,974.10

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Double scale
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Similar ratio
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1.5x scale

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.