Home / 1,224,003.40-1,836,005.10-382,640.20

Finding the Fourth Proportional to 1,224,003.40, 1,836,005.10 and 382,640.20

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Solution

The fourth proportional to 1,224,003.40, 1,836,005.10 and 382,640.20 is: 573,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,003.40 : 1,836,005.10 = 382,640.20 : x
  2. Step 2: Convert to fraction form
    1,224,003.40/1,836,005.10 = 382,640.20/x
  3. Step 3: Cross multiply
    1,224,003.40x = 1,836,005.10 × 382,640.20
  4. Step 4: Simplify right side
    1,224,003.40x = 702,529,358,665.02
  5. Step 5: Solve for x
    x = 702,529,358,665.02/1,224,003.40
  6. Step 6: Final answer
    x = 573,960.30

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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.