Home / 1,069,277.60-1,603,916.40-998,418.80

Finding the Fourth Proportional to 1,069,277.60, 1,603,916.40 and 998,418.80

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Solution

The fourth proportional to 1,069,277.60, 1,603,916.40 and 998,418.80 is: 1,497,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,277.60 : 1,603,916.40 = 998,418.80 : x
  2. Step 2: Convert to fraction form
    1,069,277.60/1,603,916.40 = 998,418.80/x
  3. Step 3: Cross multiply
    1,069,277.60x = 1,603,916.40 × 998,418.80
  4. Step 4: Simplify right side
    1,069,277.60x = 1,601,380,287,388.32
  5. Step 5: Solve for x
    x = 1,601,380,287,388.32/1,069,277.60
  6. Step 6: Final answer
    x = 1,497,628.20

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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.