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Finding the Fourth Proportional to 1,668,446, 2,302,441.80 and 904,479.92

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Solution

The fourth proportional to 1,668,446, 2,302,441.80 and 904,479.92 is: 1,248,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,446 : 2,302,441.80 = 904,479.92 : x
  2. Step 2: Convert to fraction form
    1,668,446/2,302,441.80 = 904,479.92/x
  3. Step 3: Cross multiply
    1,668,446x = 2,302,441.80 × 904,479.92
  4. Step 4: Simplify right side
    1,668,446x = 2,082,512,375,068.66
  5. Step 5: Solve for x
    x = 2,082,512,375,068.66/1,668,446
  6. Step 6: Final answer
    x = 1,248,174.87

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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.