Home / 1,123,903.90-1,685,855.85-365,816.80

Finding the Fourth Proportional to 1,123,903.90, 1,685,855.85 and 365,816.80

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Solution

The fourth proportional to 1,123,903.90, 1,685,855.85 and 365,816.80 is: 548,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,903.90 : 1,685,855.85 = 365,816.80 : x
  2. Step 2: Convert to fraction form
    1,123,903.90/1,685,855.85 = 365,816.80/x
  3. Step 3: Cross multiply
    1,123,903.90x = 1,685,855.85 × 365,816.80
  4. Step 4: Simplify right side
    1,123,903.90x = 616,714,392,308.28
  5. Step 5: Solve for x
    x = 616,714,392,308.28/1,123,903.90
  6. Step 6: Final answer
    x = 548,725.20

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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.