Home / 1,078,410.20-1,618,652.10-546,531.80

Finding the Fourth Proportional to 1,078,410.20, 1,618,652.10 and 546,531.80

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Solution

The fourth proportional to 1,078,410.20, 1,618,652.10 and 546,531.80 is: 820,323.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,410.20 : 1,618,652.10 = 546,531.80 : x
  2. Step 2: Convert to fraction form
    1,078,410.20/1,618,652.10 = 546,531.80/x
  3. Step 3: Cross multiply
    1,078,410.20x = 1,618,652.10 × 546,531.80
  4. Step 4: Simplify right side
    1,078,410.20x = 884,644,845,786.78
  5. Step 5: Solve for x
    x = 884,644,845,786.78/1,078,410.20
  6. Step 6: Final answer
    x = 820,323.14

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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.