Home / 1,066,098.78-1,599,425.14-318,144.78

Finding the Fourth Proportional to 1,066,098.78, 1,599,425.14 and 318,144.78

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Solution

The fourth proportional to 1,066,098.78, 1,599,425.14 and 318,144.78 is: 477,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,098.78 : 1,599,425.14 = 318,144.78 : x
  2. Step 2: Convert to fraction form
    1,066,098.78/1,599,425.14 = 318,144.78/x
  3. Step 3: Cross multiply
    1,066,098.78x = 1,599,425.14 × 318,144.78
  4. Step 4: Simplify right side
    1,066,098.78x = 508,848,759,291.77
  5. Step 5: Solve for x
    x = 508,848,759,291.77/1,066,098.78
  6. Step 6: Final answer
    x = 477,299.82

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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.