Home / 977,608.20-1,466,412.30-679,009.80

Finding the Fourth Proportional to 977,608.20, 1,466,412.30 and 679,009.80

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Solution

The fourth proportional to 977,608.20, 1,466,412.30 and 679,009.80 is: 1,018,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,608.20 : 1,466,412.30 = 679,009.80 : x
  2. Step 2: Convert to fraction form
    977,608.20/1,466,412.30 = 679,009.80/x
  3. Step 3: Cross multiply
    977,608.20x = 1,466,412.30 × 679,009.80
  4. Step 4: Simplify right side
    977,608.20x = 995,708,322,540.54
  5. Step 5: Solve for x
    x = 995,708,322,540.54/977,608.20
  6. Step 6: Final answer
    x = 1,018,514.70

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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.