Home / 1,218,225.33-1,681,130.52-674,349.48

Finding the Fourth Proportional to 1,218,225.33, 1,681,130.52 and 674,349.48

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Solution

The fourth proportional to 1,218,225.33, 1,681,130.52 and 674,349.48 is: 930,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,225.33 : 1,681,130.52 = 674,349.48 : x
  2. Step 2: Convert to fraction form
    1,218,225.33/1,681,130.52 = 674,349.48/x
  3. Step 3: Cross multiply
    1,218,225.33x = 1,681,130.52 × 674,349.48
  4. Step 4: Simplify right side
    1,218,225.33x = 1,133,669,491,974.13
  5. Step 5: Solve for x
    x = 1,133,669,491,974.13/1,218,225.33
  6. Step 6: Final answer
    x = 930,590.97

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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.