Home / 1,243,122.30-1,863,969.03-603,206.10

Finding the Fourth Proportional to 1,243,122.30, 1,863,969.03 and 603,206.10

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Solution

The fourth proportional to 1,243,122.30, 1,863,969.03 and 603,206.10 is: 904,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,122.30 : 1,863,969.03 = 603,206.10 : x
  2. Step 2: Convert to fraction form
    1,243,122.30/1,863,969.03 = 603,206.10/x
  3. Step 3: Cross multiply
    1,243,122.30x = 1,863,969.03 × 603,206.10
  4. Step 4: Simplify right side
    1,243,122.30x = 1,124,357,489,107.08
  5. Step 5: Solve for x
    x = 1,124,357,489,107.08/1,243,122.30
  6. Step 6: Final answer
    x = 904,462.49

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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.