Home / 1,038,981.30-1,555,847.55-829,029.30

Finding the Fourth Proportional to 1,038,981.30, 1,555,847.55 and 829,029.30

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Solution

The fourth proportional to 1,038,981.30, 1,555,847.55 and 829,029.30 is: 1,241,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,981.30 : 1,555,847.55 = 829,029.30 : x
  2. Step 2: Convert to fraction form
    1,038,981.30/1,555,847.55 = 829,029.30/x
  3. Step 3: Cross multiply
    1,038,981.30x = 1,555,847.55 × 829,029.30
  4. Step 4: Simplify right side
    1,038,981.30x = 1,289,843,205,283.22
  5. Step 5: Solve for x
    x = 1,289,843,205,283.22/1,038,981.30
  6. Step 6: Final answer
    x = 1,241,449.88

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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.