Home / 1,313,778.24-1,970,667.36-316,506.24

Finding the Fourth Proportional to 1,313,778.24, 1,970,667.36 and 316,506.24

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Solution

The fourth proportional to 1,313,778.24, 1,970,667.36 and 316,506.24 is: 474,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,778.24 : 1,970,667.36 = 316,506.24 : x
  2. Step 2: Convert to fraction form
    1,313,778.24/1,970,667.36 = 316,506.24/x
  3. Step 3: Cross multiply
    1,313,778.24x = 1,970,667.36 × 316,506.24
  4. Step 4: Simplify right side
    1,313,778.24x = 623,728,516,404.33
  5. Step 5: Solve for x
    x = 623,728,516,404.33/1,313,778.24
  6. Step 6: Final answer
    x = 474,759.36

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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.