Home / 998,577.40-1,497,866.10-662,654.20

Finding the Fourth Proportional to 998,577.40, 1,497,866.10 and 662,654.20

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Solution

The fourth proportional to 998,577.40, 1,497,866.10 and 662,654.20 is: 993,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,577.40 : 1,497,866.10 = 662,654.20 : x
  2. Step 2: Convert to fraction form
    998,577.40/1,497,866.10 = 662,654.20/x
  3. Step 3: Cross multiply
    998,577.40x = 1,497,866.10 × 662,654.20
  4. Step 4: Simplify right side
    998,577.40x = 992,567,262,202.62
  5. Step 5: Solve for x
    x = 992,567,262,202.62/998,577.40
  6. Step 6: Final answer
    x = 993,981.30

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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.