Home / 1,086,479.20-1,499,270.56-603,021.12

Finding the Fourth Proportional to 1,086,479.20, 1,499,270.56 and 603,021.12

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Solution

The fourth proportional to 1,086,479.20, 1,499,270.56 and 603,021.12 is: 832,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,479.20 : 1,499,270.56 = 603,021.12 : x
  2. Step 2: Convert to fraction form
    1,086,479.20/1,499,270.56 = 603,021.12/x
  3. Step 3: Cross multiply
    1,086,479.20x = 1,499,270.56 × 603,021.12
  4. Step 4: Simplify right side
    1,086,479.20x = 904,091,812,274.23
  5. Step 5: Solve for x
    x = 904,091,812,274.23/1,086,479.20
  6. Step 6: Final answer
    x = 832,129.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.