Home / 1,230,258.20-1,845,387.30-663,387.80

Finding the Fourth Proportional to 1,230,258.20, 1,845,387.30 and 663,387.80

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Solution

The fourth proportional to 1,230,258.20, 1,845,387.30 and 663,387.80 is: 995,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,258.20 : 1,845,387.30 = 663,387.80 : x
  2. Step 2: Convert to fraction form
    1,230,258.20/1,845,387.30 = 663,387.80/x
  3. Step 3: Cross multiply
    1,230,258.20x = 1,845,387.30 × 663,387.80
  4. Step 4: Simplify right side
    1,230,258.20x = 1,224,207,421,094.94
  5. Step 5: Solve for x
    x = 1,224,207,421,094.94/1,230,258.20
  6. Step 6: Final answer
    x = 995,081.70

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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.