Home / 1,448,676.30-1,999,710.12-1,243,904.76

Finding the Fourth Proportional to 1,448,676.30, 1,999,710.12 and 1,243,904.76

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Solution

The fourth proportional to 1,448,676.30, 1,999,710.12 and 1,243,904.76 is: 1,717,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,676.30 : 1,999,710.12 = 1,243,904.76 : x
  2. Step 2: Convert to fraction form
    1,448,676.30/1,999,710.12 = 1,243,904.76/x
  3. Step 3: Cross multiply
    1,448,676.30x = 1,999,710.12 × 1,243,904.76
  4. Step 4: Simplify right side
    1,448,676.30x = 2,487,448,936,888.17
  5. Step 5: Solve for x
    x = 2,487,448,936,888.17/1,448,676.30
  6. Step 6: Final answer
    x = 1,717,049.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.