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Finding the Fourth Proportional to 1,353,996, 1,868,514.48 and 750,422.88

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Solution

The fourth proportional to 1,353,996, 1,868,514.48 and 750,422.88 is: 1,035,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,996 : 1,868,514.48 = 750,422.88 : x
  2. Step 2: Convert to fraction form
    1,353,996/1,868,514.48 = 750,422.88/x
  3. Step 3: Cross multiply
    1,353,996x = 1,868,514.48 × 750,422.88
  4. Step 4: Simplify right side
    1,353,996x = 1,402,176,017,403.30
  5. Step 5: Solve for x
    x = 1,402,176,017,403.30/1,353,996
  6. Step 6: Final answer
    x = 1,035,583.57

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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.