Home / 1,448,614.70-2,172,922.05-913,237.10

Finding the Fourth Proportional to 1,448,614.70, 2,172,922.05 and 913,237.10

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Solution

The fourth proportional to 1,448,614.70, 2,172,922.05 and 913,237.10 is: 1,369,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,614.70 : 2,172,922.05 = 913,237.10 : x
  2. Step 2: Convert to fraction form
    1,448,614.70/2,172,922.05 = 913,237.10/x
  3. Step 3: Cross multiply
    1,448,614.70x = 2,172,922.05 × 913,237.10
  4. Step 4: Simplify right side
    1,448,614.70x = 1,984,393,031,468.05
  5. Step 5: Solve for x
    x = 1,984,393,031,468.05/1,448,614.70
  6. Step 6: Final answer
    x = 1,369,855.65

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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.