Home / 1,053,455.40-1,580,183.10-265,487.40

Finding the Fourth Proportional to 1,053,455.40, 1,580,183.10 and 265,487.40

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Solution

The fourth proportional to 1,053,455.40, 1,580,183.10 and 265,487.40 is: 398,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,455.40 : 1,580,183.10 = 265,487.40 : x
  2. Step 2: Convert to fraction form
    1,053,455.40/1,580,183.10 = 265,487.40/x
  3. Step 3: Cross multiply
    1,053,455.40x = 1,580,183.10 × 265,487.40
  4. Step 4: Simplify right side
    1,053,455.40x = 419,518,702,742.94
  5. Step 5: Solve for x
    x = 419,518,702,742.94/1,053,455.40
  6. Step 6: Final answer
    x = 398,231.10

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Half scale
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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.