Home / 1,011,572.40-1,517,358.60-263,618.40

Finding the Fourth Proportional to 1,011,572.40, 1,517,358.60 and 263,618.40

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Solution

The fourth proportional to 1,011,572.40, 1,517,358.60 and 263,618.40 is: 395,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,572.40 : 1,517,358.60 = 263,618.40 : x
  2. Step 2: Convert to fraction form
    1,011,572.40/1,517,358.60 = 263,618.40/x
  3. Step 3: Cross multiply
    1,011,572.40x = 1,517,358.60 × 263,618.40
  4. Step 4: Simplify right side
    1,011,572.40x = 400,003,646,358.24
  5. Step 5: Solve for x
    x = 400,003,646,358.24/1,011,572.40
  6. Step 6: Final answer
    x = 395,427.60

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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.