Home / 1,054,223.81-1,581,335.74-255,505.36

Finding the Fourth Proportional to 1,054,223.81, 1,581,335.74 and 255,505.36

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Solution

The fourth proportional to 1,054,223.81, 1,581,335.74 and 255,505.36 is: 383,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,223.81 : 1,581,335.74 = 255,505.36 : x
  2. Step 2: Convert to fraction form
    1,054,223.81/1,581,335.74 = 255,505.36/x
  3. Step 3: Cross multiply
    1,054,223.81x = 1,581,335.74 × 255,505.36
  4. Step 4: Simplify right side
    1,054,223.81x = 404,039,752,937.46
  5. Step 5: Solve for x
    x = 404,039,752,937.46/1,054,223.81
  6. Step 6: Final answer
    x = 383,258.04

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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.