Home / 1,091,846.40-1,637,769.60-381,946.20

Finding the Fourth Proportional to 1,091,846.40, 1,637,769.60 and 381,946.20

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Solution

The fourth proportional to 1,091,846.40, 1,637,769.60 and 381,946.20 is: 572,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,846.40 : 1,637,769.60 = 381,946.20 : x
  2. Step 2: Convert to fraction form
    1,091,846.40/1,637,769.60 = 381,946.20/x
  3. Step 3: Cross multiply
    1,091,846.40x = 1,637,769.60 × 381,946.20
  4. Step 4: Simplify right side
    1,091,846.40x = 625,539,875,195.52
  5. Step 5: Solve for x
    x = 625,539,875,195.52/1,091,846.40
  6. Step 6: Final answer
    x = 572,919.30

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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.