Home / 998,466.40-1,497,699.60-987,968.80

Finding the Fourth Proportional to 998,466.40, 1,497,699.60 and 987,968.80

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Solution

The fourth proportional to 998,466.40, 1,497,699.60 and 987,968.80 is: 1,481,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,466.40 : 1,497,699.60 = 987,968.80 : x
  2. Step 2: Convert to fraction form
    998,466.40/1,497,699.60 = 987,968.80/x
  3. Step 3: Cross multiply
    998,466.40x = 1,497,699.60 × 987,968.80
  4. Step 4: Simplify right side
    998,466.40x = 1,479,680,476,572.48
  5. Step 5: Solve for x
    x = 1,479,680,476,572.48/998,466.40
  6. Step 6: Final answer
    x = 1,481,953.20

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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.