Home / 1,113,648.66-1,670,472.99-272,199.06

Finding the Fourth Proportional to 1,113,648.66, 1,670,472.99 and 272,199.06

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Solution

The fourth proportional to 1,113,648.66, 1,670,472.99 and 272,199.06 is: 408,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,648.66 : 1,670,472.99 = 272,199.06 : x
  2. Step 2: Convert to fraction form
    1,113,648.66/1,670,472.99 = 272,199.06/x
  3. Step 3: Cross multiply
    1,113,648.66x = 1,670,472.99 × 272,199.06
  4. Step 4: Simplify right side
    1,113,648.66x = 454,701,177,633.39
  5. Step 5: Solve for x
    x = 454,701,177,633.39/1,113,648.66
  6. Step 6: Final answer
    x = 408,298.59

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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.