Home / 998,435.60-1,497,653.40-992,214.80

Finding the Fourth Proportional to 998,435.60, 1,497,653.40 and 992,214.80

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Solution

The fourth proportional to 998,435.60, 1,497,653.40 and 992,214.80 is: 1,488,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,435.60 : 1,497,653.40 = 992,214.80 : x
  2. Step 2: Convert to fraction form
    998,435.60/1,497,653.40 = 992,214.80/x
  3. Step 3: Cross multiply
    998,435.60x = 1,497,653.40 × 992,214.80
  4. Step 4: Simplify right side
    998,435.60x = 1,485,993,868,750.32
  5. Step 5: Solve for x
    x = 1,485,993,868,750.32/998,435.60
  6. Step 6: Final answer
    x = 1,488,322.20

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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.