Home / 1,131,424.80-1,697,098.80-289,984.80

Finding the Fourth Proportional to 1,131,424.80, 1,697,098.80 and 289,984.80

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Solution

The fourth proportional to 1,131,424.80, 1,697,098.80 and 289,984.80 is: 434,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,424.80 : 1,697,098.80 = 289,984.80 : x
  2. Step 2: Convert to fraction form
    1,131,424.80/1,697,098.80 = 289,984.80/x
  3. Step 3: Cross multiply
    1,131,424.80x = 1,697,098.80 × 289,984.80
  4. Step 4: Simplify right side
    1,131,424.80x = 492,132,856,098.24
  5. Step 5: Solve for x
    x = 492,132,856,098.24/1,131,424.80
  6. Step 6: Final answer
    x = 434,967.36

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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.