Home / 1,078,355.80-1,617,533.70-829,523.80

Finding the Fourth Proportional to 1,078,355.80, 1,617,533.70 and 829,523.80

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Solution

The fourth proportional to 1,078,355.80, 1,617,533.70 and 829,523.80 is: 1,244,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,355.80 : 1,617,533.70 = 829,523.80 : x
  2. Step 2: Convert to fraction form
    1,078,355.80/1,617,533.70 = 829,523.80/x
  3. Step 3: Cross multiply
    1,078,355.80x = 1,617,533.70 × 829,523.80
  4. Step 4: Simplify right side
    1,078,355.80x = 1,341,782,701,452.06
  5. Step 5: Solve for x
    x = 1,341,782,701,452.06/1,078,355.80
  6. Step 6: Final answer
    x = 1,244,285.70

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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.