Home / 1,357,338.40-2,036,007.60-853,453.60

Finding the Fourth Proportional to 1,357,338.40, 2,036,007.60 and 853,453.60

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Solution

The fourth proportional to 1,357,338.40, 2,036,007.60 and 853,453.60 is: 1,280,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,338.40 : 2,036,007.60 = 853,453.60 : x
  2. Step 2: Convert to fraction form
    1,357,338.40/2,036,007.60 = 853,453.60/x
  3. Step 3: Cross multiply
    1,357,338.40x = 2,036,007.60 × 853,453.60
  4. Step 4: Simplify right side
    1,357,338.40x = 1,737,638,015,847.36
  5. Step 5: Solve for x
    x = 1,737,638,015,847.36/1,357,338.40
  6. Step 6: Final answer
    x = 1,280,180.40

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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.