Home / 998,659.20-1,497,988.80-947,337.60

Finding the Fourth Proportional to 998,659.20, 1,497,988.80 and 947,337.60

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Solution

The fourth proportional to 998,659.20, 1,497,988.80 and 947,337.60 is: 1,421,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,659.20 : 1,497,988.80 = 947,337.60 : x
  2. Step 2: Convert to fraction form
    998,659.20/1,497,988.80 = 947,337.60/x
  3. Step 3: Cross multiply
    998,659.20x = 1,497,988.80 × 947,337.60
  4. Step 4: Simplify right side
    998,659.20x = 1,419,101,114,618.88
  5. Step 5: Solve for x
    x = 1,419,101,114,618.88/998,659.20
  6. Step 6: Final answer
    x = 1,421,006.40

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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.