Home / 1,092,328.20-1,638,492.30-344,449.80

Finding the Fourth Proportional to 1,092,328.20, 1,638,492.30 and 344,449.80

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Solution

The fourth proportional to 1,092,328.20, 1,638,492.30 and 344,449.80 is: 516,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,328.20 : 1,638,492.30 = 344,449.80 : x
  2. Step 2: Convert to fraction form
    1,092,328.20/1,638,492.30 = 344,449.80/x
  3. Step 3: Cross multiply
    1,092,328.20x = 1,638,492.30 × 344,449.80
  4. Step 4: Simplify right side
    1,092,328.20x = 564,378,345,036.54
  5. Step 5: Solve for x
    x = 564,378,345,036.54/1,092,328.20
  6. Step 6: Final answer
    x = 516,674.70

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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.