Home / 1,668,148.20-2,502,222.54-405,975.84

Finding the Fourth Proportional to 1,668,148.20, 2,502,222.54 and 405,975.84

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Solution

The fourth proportional to 1,668,148.20, 2,502,222.54 and 405,975.84 is: 608,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,148.20 : 2,502,222.54 = 405,975.84 : x
  2. Step 2: Convert to fraction form
    1,668,148.20/2,502,222.54 = 405,975.84/x
  3. Step 3: Cross multiply
    1,668,148.20x = 2,502,222.54 × 405,975.84
  4. Step 4: Simplify right side
    1,668,148.20x = 1,015,841,897,543.43
  5. Step 5: Solve for x
    x = 1,015,841,897,543.43/1,668,148.20
  6. Step 6: Final answer
    x = 608,963.82

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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.