Home / 1,448,874-2,172,424.86-690,947.28

Finding the Fourth Proportional to 1,448,874, 2,172,424.86 and 690,947.28

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Solution

The fourth proportional to 1,448,874, 2,172,424.86 and 690,947.28 is: 1,035,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,874 : 2,172,424.86 = 690,947.28 : x
  2. Step 2: Convert to fraction form
    1,448,874/2,172,424.86 = 690,947.28/x
  3. Step 3: Cross multiply
    1,448,874x = 2,172,424.86 × 690,947.28
  4. Step 4: Simplify right side
    1,448,874x = 1,501,031,048,021.38
  5. Step 5: Solve for x
    x = 1,501,031,048,021.38/1,448,874
  6. Step 6: Final answer
    x = 1,035,998.33

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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.