Home / 1,022,918.40-1,534,439.01-312,952.59

Finding the Fourth Proportional to 1,022,918.40, 1,534,439.01 and 312,952.59

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Solution

The fourth proportional to 1,022,918.40, 1,534,439.01 and 312,952.59 is: 469,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,918.40 : 1,534,439.01 = 312,952.59 : x
  2. Step 2: Convert to fraction form
    1,022,918.40/1,534,439.01 = 312,952.59/x
  3. Step 3: Cross multiply
    1,022,918.40x = 1,534,439.01 × 312,952.59
  4. Step 4: Simplify right side
    1,022,918.40x = 480,206,662,376.54
  5. Step 5: Solve for x
    x = 480,206,662,376.54/1,022,918.40
  6. Step 6: Final answer
    x = 469,447.67

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Double scale
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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.