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Finding the Fourth Proportional to 1,021,308, 1,532,661.96 and 356,460

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Solution

The fourth proportional to 1,021,308, 1,532,661.96 and 356,460 is: 534,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,308 : 1,532,661.96 = 356,460 : x
  2. Step 2: Convert to fraction form
    1,021,308/1,532,661.96 = 356,460/x
  3. Step 3: Cross multiply
    1,021,308x = 1,532,661.96 × 356,460
  4. Step 4: Simplify right side
    1,021,308x = 546,332,682,261.60
  5. Step 5: Solve for x
    x = 546,332,682,261.60/1,021,308
  6. Step 6: Final answer
    x = 534,934.30

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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.