Home / 1,092,422.76-1,638,279.54-418,468.20

Finding the Fourth Proportional to 1,092,422.76, 1,638,279.54 and 418,468.20

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Solution

The fourth proportional to 1,092,422.76, 1,638,279.54 and 418,468.20 is: 627,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,422.76 : 1,638,279.54 = 418,468.20 : x
  2. Step 2: Convert to fraction form
    1,092,422.76/1,638,279.54 = 418,468.20/x
  3. Step 3: Cross multiply
    1,092,422.76x = 1,638,279.54 × 418,468.20
  4. Step 4: Simplify right side
    1,092,422.76x = 685,567,890,200.63
  5. Step 5: Solve for x
    x = 685,567,890,200.63/1,092,422.76
  6. Step 6: Final answer
    x = 627,566.47

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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.