Home / 1,022,665.81-1,533,998.67-312,693.79

Finding the Fourth Proportional to 1,022,665.81, 1,533,998.67 and 312,693.79

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Solution

The fourth proportional to 1,022,665.81, 1,533,998.67 and 312,693.79 is: 469,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,665.81 : 1,533,998.67 = 312,693.79 : x
  2. Step 2: Convert to fraction form
    1,022,665.81/1,533,998.67 = 312,693.79/x
  3. Step 3: Cross multiply
    1,022,665.81x = 1,533,998.67 × 312,693.79
  4. Step 4: Simplify right side
    1,022,665.81x = 479,671,857,977.26
  5. Step 5: Solve for x
    x = 479,671,857,977.26/1,022,665.81
  6. Step 6: Final answer
    x = 469,040.67

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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.