Home / 1,078,563.20-1,618,233.60-1,039,683.20

Finding the Fourth Proportional to 1,078,563.20, 1,618,233.60 and 1,039,683.20

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Solution

The fourth proportional to 1,078,563.20, 1,618,233.60 and 1,039,683.20 is: 1,559,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,563.20 : 1,618,233.60 = 1,039,683.20 : x
  2. Step 2: Convert to fraction form
    1,078,563.20/1,618,233.60 = 1,039,683.20/x
  3. Step 3: Cross multiply
    1,078,563.20x = 1,618,233.60 × 1,039,683.20
  4. Step 4: Simplify right side
    1,078,563.20x = 1,682,450,287,595.52
  5. Step 5: Solve for x
    x = 1,682,450,287,595.52/1,078,563.20
  6. Step 6: Final answer
    x = 1,559,899.58

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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.